Annotation of src/usr.bin/tmux/tty.c, Revision 1.428
1.428 ! nicm 1: /* $OpenBSD: tty.c,v 1.427 2023/01/12 18:49:11 nicm Exp $ */
1.1 nicm 2:
3: /*
1.198 nicm 4: * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
20: #include <sys/ioctl.h>
21:
1.106 nicm 22: #include <netinet/in.h>
23:
1.212 nicm 24: #include <curses.h>
1.1 nicm 25: #include <errno.h>
26: #include <fcntl.h>
1.106 nicm 27: #include <resolv.h>
1.42 nicm 28: #include <stdlib.h>
1.1 nicm 29: #include <string.h>
30: #include <termios.h>
31: #include <unistd.h>
32:
33: #include "tmux.h"
34:
1.207 nicm 35: static int tty_log_fd = -1;
1.192 nicm 36:
1.207 nicm 37: static void tty_set_italics(struct tty *);
38: static int tty_try_colour(struct tty *, int, const char *);
1.410 nicm 39: static void tty_force_cursor_colour(struct tty *, int);
1.208 nicm 40: static void tty_cursor_pane(struct tty *, const struct tty_ctx *, u_int,
41: u_int);
1.253 nicm 42: static void tty_cursor_pane_unless_wrap(struct tty *,
43: const struct tty_ctx *, u_int, u_int);
1.242 nicm 44: static void tty_invalidate(struct tty *);
1.207 nicm 45: static void tty_colours(struct tty *, const struct grid_cell *);
1.399 nicm 46: static void tty_check_fg(struct tty *, struct colour_palette *,
47: struct grid_cell *);
48: static void tty_check_bg(struct tty *, struct colour_palette *,
49: struct grid_cell *);
50: static void tty_check_us(struct tty *, struct colour_palette *,
51: struct grid_cell *);
1.207 nicm 52: static void tty_colours_fg(struct tty *, const struct grid_cell *);
53: static void tty_colours_bg(struct tty *, const struct grid_cell *);
1.328 nicm 54: static void tty_colours_us(struct tty *, const struct grid_cell *);
1.207 nicm 55:
1.208 nicm 56: static void tty_region_pane(struct tty *, const struct tty_ctx *, u_int,
57: u_int);
1.214 nicm 58: static void tty_region(struct tty *, u_int, u_int);
1.212 nicm 59: static void tty_margin_pane(struct tty *, const struct tty_ctx *);
1.214 nicm 60: static void tty_margin(struct tty *, u_int, u_int);
1.207 nicm 61: static int tty_large_region(struct tty *, const struct tty_ctx *);
1.373 nicm 62: static int tty_fake_bce(const struct tty *, const struct grid_cell *,
63: u_int);
1.207 nicm 64: static void tty_redraw_region(struct tty *, const struct tty_ctx *);
65: static void tty_emulate_repeat(struct tty *, enum tty_code_code,
66: enum tty_code_code, u_int);
67: static void tty_repeat_space(struct tty *, u_int);
1.309 nicm 68: static void tty_draw_pane(struct tty *, const struct tty_ctx *, u_int);
1.373 nicm 69: static void tty_default_attributes(struct tty *, const struct grid_cell *,
1.421 nicm 70: struct colour_palette *, u_int, struct hyperlinks *);
1.394 nicm 71: static int tty_check_overlay(struct tty *, u_int, u_int);
1.406 nicm 72: static void tty_check_overlay_range(struct tty *, u_int, u_int, u_int,
73: struct overlay_ranges *);
1.1 nicm 74:
1.212 nicm 75: #define tty_use_margin(tty) \
1.359 nicm 76: (tty->term->flags & TERM_DECSLRM)
1.372 nicm 77: #define tty_full_width(tty, ctx) \
78: ((ctx)->xoff == 0 && (ctx)->sx >= (tty)->sx)
1.132 nicm 79:
1.266 nicm 80: #define TTY_BLOCK_INTERVAL (100000 /* 100 milliseconds */)
81: #define TTY_BLOCK_START(tty) (1 + ((tty)->sx * (tty)->sy) * 8)
82: #define TTY_BLOCK_STOP(tty) (1 + ((tty)->sx * (tty)->sy) / 8)
83:
1.416 nicm 84: #define TTY_QUERY_TIMEOUT 5
85:
1.192 nicm 86: void
87: tty_create_log(void)
88: {
89: char name[64];
90:
91: xsnprintf(name, sizeof name, "tmux-out-%ld.log", (long)getpid());
92:
93: tty_log_fd = open(name, O_WRONLY|O_CREAT|O_TRUNC, 0644);
94: if (tty_log_fd != -1 && fcntl(tty_log_fd, F_SETFD, FD_CLOEXEC) == -1)
95: fatal("fcntl failed");
96: }
97:
1.185 nicm 98: int
1.380 nicm 99: tty_init(struct tty *tty, struct client *c)
1.1 nicm 100: {
1.380 nicm 101: if (!isatty(c->fd))
1.185 nicm 102: return (-1);
103:
1.30 nicm 104: memset(tty, 0, sizeof *tty);
1.136 nicm 105: tty->client = c;
1.30 nicm 106:
1.391 nicm 107: tty->cstyle = SCREEN_CURSOR_DEFAULT;
1.410 nicm 108: tty->ccolour = -1;
1.426 nicm 109: tty->fg = tty->bg = -1;
1.30 nicm 110:
1.380 nicm 111: if (tcgetattr(c->fd, &tty->tio) != 0)
112: return (-1);
1.185 nicm 113: return (0);
1.31 nicm 114: }
115:
1.287 nicm 116: void
1.31 nicm 117: tty_resize(struct tty *tty)
118: {
1.258 nicm 119: struct client *c = tty->client;
120: struct winsize ws;
1.334 nicm 121: u_int sx, sy, xpixel, ypixel;
1.31 nicm 122:
1.380 nicm 123: if (ioctl(c->fd, TIOCGWINSZ, &ws) != -1) {
1.88 nicm 124: sx = ws.ws_col;
1.334 nicm 125: if (sx == 0) {
1.88 nicm 126: sx = 80;
1.334 nicm 127: xpixel = 0;
128: } else
129: xpixel = ws.ws_xpixel / sx;
1.88 nicm 130: sy = ws.ws_row;
1.334 nicm 131: if (sy == 0) {
1.88 nicm 132: sy = 24;
1.334 nicm 133: ypixel = 0;
134: } else
135: ypixel = ws.ws_ypixel / sy;
1.88 nicm 136: } else {
137: sx = 80;
138: sy = 24;
1.334 nicm 139: xpixel = 0;
140: ypixel = 0;
1.31 nicm 141: }
1.334 nicm 142: log_debug("%s: %s now %ux%u (%ux%u)", __func__, c->name, sx, sy,
143: xpixel, ypixel);
144: tty_set_size(tty, sx, sy, xpixel, ypixel);
1.242 nicm 145: tty_invalidate(tty);
1.114 nicm 146: }
147:
1.287 nicm 148: void
1.334 nicm 149: tty_set_size(struct tty *tty, u_int sx, u_int sy, u_int xpixel, u_int ypixel)
1.212 nicm 150: {
1.114 nicm 151: tty->sx = sx;
152: tty->sy = sy;
1.334 nicm 153: tty->xpixel = xpixel;
154: tty->ypixel = ypixel;
1.1 nicm 155: }
156:
1.244 nicm 157: static void
158: tty_read_callback(__unused int fd, __unused short events, void *data)
159: {
160: struct tty *tty = data;
1.258 nicm 161: struct client *c = tty->client;
1.375 nicm 162: const char *name = c->name;
1.244 nicm 163: size_t size = EVBUFFER_LENGTH(tty->in);
164: int nread;
165:
1.380 nicm 166: nread = evbuffer_read(tty->in, c->fd, -1);
1.295 nicm 167: if (nread == 0 || nread == -1) {
1.375 nicm 168: if (nread == 0)
169: log_debug("%s: read closed", name);
170: else
171: log_debug("%s: read error: %s", name, strerror(errno));
1.290 nicm 172: event_del(&tty->event_in);
1.295 nicm 173: server_client_lost(tty->client);
1.244 nicm 174: return;
1.290 nicm 175: }
1.375 nicm 176: log_debug("%s: read %d bytes (already %zu)", name, nread, size);
1.244 nicm 177:
178: while (tty_keys_next(tty))
179: ;
180: }
181:
182: static void
1.266 nicm 183: tty_timer_callback(__unused int fd, __unused short events, void *data)
184: {
185: struct tty *tty = data;
186: struct client *c = tty->client;
187: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
188:
189: log_debug("%s: %zu discarded", c->name, tty->discarded);
190:
1.305 nicm 191: c->flags |= CLIENT_ALLREDRAWFLAGS;
1.266 nicm 192: c->discarded += tty->discarded;
193:
194: if (tty->discarded < TTY_BLOCK_STOP(tty)) {
195: tty->flags &= ~TTY_BLOCK;
196: tty_invalidate(tty);
197: return;
198: }
199: tty->discarded = 0;
200: evtimer_add(&tty->timer, &tv);
201: }
202:
203: static int
204: tty_block_maybe(struct tty *tty)
205: {
206: struct client *c = tty->client;
207: size_t size = EVBUFFER_LENGTH(tty->out);
208: struct timeval tv = { .tv_usec = TTY_BLOCK_INTERVAL };
209:
1.414 nicm 210: if (size == 0)
211: tty->flags &= ~TTY_NOBLOCK;
212: else if (tty->flags & TTY_NOBLOCK)
213: return (0);
214:
1.266 nicm 215: if (size < TTY_BLOCK_START(tty))
216: return (0);
217:
218: if (tty->flags & TTY_BLOCK)
219: return (1);
220: tty->flags |= TTY_BLOCK;
221:
222: log_debug("%s: can't keep up, %zu discarded", c->name, size);
223:
224: evbuffer_drain(tty->out, size);
225: c->discarded += size;
226:
227: tty->discarded = 0;
228: evtimer_add(&tty->timer, &tv);
229: return (1);
230: }
231:
232: static void
1.244 nicm 233: tty_write_callback(__unused int fd, __unused short events, void *data)
234: {
1.246 nicm 235: struct tty *tty = data;
1.258 nicm 236: struct client *c = tty->client;
1.246 nicm 237: size_t size = EVBUFFER_LENGTH(tty->out);
238: int nwrite;
1.244 nicm 239:
1.380 nicm 240: nwrite = evbuffer_write(tty->out, c->fd);
1.244 nicm 241: if (nwrite == -1)
242: return;
1.258 nicm 243: log_debug("%s: wrote %d bytes (of %zu)", c->name, nwrite, size);
1.244 nicm 244:
1.270 nicm 245: if (c->redraw > 0) {
246: if ((size_t)nwrite >= c->redraw)
247: c->redraw = 0;
248: else
249: c->redraw -= nwrite;
250: log_debug("%s: waiting for redraw, %zu bytes left", c->name,
251: c->redraw);
252: } else if (tty_block_maybe(tty))
1.266 nicm 253: return;
254:
1.247 nicm 255: if (EVBUFFER_LENGTH(tty->out) != 0)
256: event_add(&tty->event_out, NULL);
1.244 nicm 257: }
258:
1.1 nicm 259: int
1.166 nicm 260: tty_open(struct tty *tty, char **cause)
1.1 nicm 261: {
1.359 nicm 262: struct client *c = tty->client;
263:
1.389 nicm 264: tty->term = tty_term_create(tty, c->term_name, c->term_caps,
265: c->term_ncaps, &c->term_features, cause);
1.21 nicm 266: if (tty->term == NULL) {
267: tty_close(tty);
268: return (-1);
269: }
270: tty->flags |= TTY_OPENED;
1.1 nicm 271:
1.266 nicm 272: tty->flags &= ~(TTY_NOCURSOR|TTY_FREEZE|TTY_BLOCK|TTY_TIMER);
1.244 nicm 273:
1.380 nicm 274: event_set(&tty->event_in, c->fd, EV_PERSIST|EV_READ,
1.244 nicm 275: tty_read_callback, tty);
276: tty->in = evbuffer_new();
1.311 nicm 277: if (tty->in == NULL)
278: fatal("out of memory");
1.1 nicm 279:
1.380 nicm 280: event_set(&tty->event_out, c->fd, EV_WRITE, tty_write_callback, tty);
1.244 nicm 281: tty->out = evbuffer_new();
1.311 nicm 282: if (tty->out == NULL)
283: fatal("out of memory");
1.1 nicm 284:
1.266 nicm 285: evtimer_set(&tty->timer, tty_timer_callback, tty);
286:
1.1 nicm 287: tty_start_tty(tty);
1.148 nicm 288: tty_keys_build(tty);
1.1 nicm 289:
290: return (0);
291: }
292:
1.340 nicm 293: static void
294: tty_start_timer_callback(__unused int fd, __unused short events, void *data)
295: {
296: struct tty *tty = data;
297: struct client *c = tty->client;
298:
299: log_debug("%s: start timer fired", c->name);
1.425 nicm 300: if ((tty->flags & (TTY_HAVEDA|TTY_HAVEDA2|TTY_HAVEXDA)) == 0)
1.378 nicm 301: tty_update_features(tty);
1.426 nicm 302: tty->flags |= TTY_ALL_REQUEST_FLAGS;
1.340 nicm 303: }
304:
1.244 nicm 305: void
306: tty_start_tty(struct tty *tty)
1.1 nicm 307: {
1.285 nicm 308: struct client *c = tty->client;
309: struct termios tio;
1.416 nicm 310: struct timeval tv = { .tv_sec = TTY_QUERY_TIMEOUT };
1.33 nicm 311:
1.380 nicm 312: setblocking(c->fd, 0);
313: event_add(&tty->event_in, NULL);
314:
315: memcpy(&tio, &tty->tio, sizeof tio);
316: tio.c_iflag &= ~(IXON|IXOFF|ICRNL|INLCR|IGNCR|IMAXBEL|ISTRIP);
317: tio.c_iflag |= IGNBRK;
318: tio.c_oflag &= ~(OPOST|ONLCR|OCRNL|ONLRET);
319: tio.c_lflag &= ~(IEXTEN|ICANON|ECHO|ECHOE|ECHONL|ECHOCTL|ECHOPRT|
320: ECHOKE|ISIG);
321: tio.c_cc[VMIN] = 1;
322: tio.c_cc[VTIME] = 0;
323: if (tcsetattr(c->fd, TCSANOW, &tio) == 0)
1.404 nicm 324: tcflush(c->fd, TCOFLUSH);
1.1 nicm 325:
1.10 nicm 326: tty_putcode(tty, TTYC_SMCUP);
1.1 nicm 327:
1.252 nicm 328: tty_putcode(tty, TTYC_SMKX);
1.285 nicm 329: tty_putcode(tty, TTYC_CLEAR);
330:
331: if (tty_acs_needed(tty)) {
332: log_debug("%s: using capabilities for ACS", c->name);
1.90 nicm 333: tty_putcode(tty, TTYC_ENACS);
1.285 nicm 334: } else
335: log_debug("%s: using UTF-8 for ACS", c->name);
1.1 nicm 336:
337: tty_putcode(tty, TTYC_CNORM);
1.343 nicm 338: if (tty_term_has(tty->term, TTYC_KMOUS)) {
339: tty_puts(tty, "\033[?1000l\033[?1002l\033[?1003l");
340: tty_puts(tty, "\033[?1006l\033[?1005l");
341: }
1.427 nicm 342: if (tty_term_has(tty->term, TTYC_ENBP))
343: tty_putcode(tty, TTYC_ENBP);
1.121 nicm 344:
1.340 nicm 345: evtimer_set(&tty->start_timer, tty_start_timer_callback, tty);
346: evtimer_add(&tty->start_timer, &tv);
347:
1.20 nicm 348: tty->flags |= TTY_STARTED;
1.242 nicm 349: tty_invalidate(tty);
1.107 nicm 350:
1.410 nicm 351: if (tty->ccolour != -1)
352: tty_force_cursor_colour(tty, -1);
1.177 nicm 353:
354: tty->mouse_drag_flag = 0;
355: tty->mouse_drag_update = NULL;
356: tty->mouse_drag_release = NULL;
1.347 nicm 357: }
358:
359: void
360: tty_send_requests(struct tty *tty)
361: {
362: if (~tty->flags & TTY_STARTED)
363: return;
364:
1.369 nicm 365: if (tty->term->flags & TERM_VT100LIKE) {
1.425 nicm 366: if (~tty->term->flags & TTY_HAVEDA)
367: tty_puts(tty, "\033[c");
368: if (~tty->flags & TTY_HAVEDA2)
1.351 nicm 369: tty_puts(tty, "\033[>c");
1.364 nicm 370: if (~tty->flags & TTY_HAVEXDA)
371: tty_puts(tty, "\033[>q");
1.426 nicm 372: if (~tty->flags & TTY_HAVEFG)
373: tty_puts(tty, "\033]10;?\033\\");
374: if (~tty->flags & TTY_HAVEBG)
375: tty_puts(tty, "\033]11;?\033\\");
1.347 nicm 376: } else
1.426 nicm 377: tty->flags |= TTY_ALL_REQUEST_FLAGS;
1.128 nicm 378: }
379:
380: void
1.1 nicm 381: tty_stop_tty(struct tty *tty)
382: {
1.380 nicm 383: struct client *c = tty->client;
384: struct winsize ws;
1.1 nicm 385:
1.20 nicm 386: if (!(tty->flags & TTY_STARTED))
387: return;
388: tty->flags &= ~TTY_STARTED;
1.340 nicm 389:
390: evtimer_del(&tty->start_timer);
1.20 nicm 391:
1.266 nicm 392: event_del(&tty->timer);
393: tty->flags &= ~TTY_BLOCK;
394:
1.244 nicm 395: event_del(&tty->event_in);
396: event_del(&tty->event_out);
1.66 nicm 397:
1.1 nicm 398: /*
399: * Be flexible about error handling and try not kill the server just
400: * because the fd is invalid. Things like ssh -t can easily leave us
401: * with a dead tty.
402: */
1.380 nicm 403: if (ioctl(c->fd, TIOCGWINSZ, &ws) == -1)
1.1 nicm 404: return;
1.380 nicm 405: if (tcsetattr(c->fd, TCSANOW, &tty->tio) == -1)
1.1 nicm 406: return;
407:
408: tty_raw(tty, tty_term_string2(tty->term, TTYC_CSR, 0, ws.ws_row - 1));
1.285 nicm 409: if (tty_acs_needed(tty))
1.90 nicm 410: tty_raw(tty, tty_term_string(tty->term, TTYC_RMACS));
1.1 nicm 411: tty_raw(tty, tty_term_string(tty->term, TTYC_SGR0));
412: tty_raw(tty, tty_term_string(tty->term, TTYC_RMKX));
413: tty_raw(tty, tty_term_string(tty->term, TTYC_CLEAR));
1.391 nicm 414: if (tty->cstyle != SCREEN_CURSOR_DEFAULT) {
1.160 nicm 415: if (tty_term_has(tty->term, TTYC_SE))
416: tty_raw(tty, tty_term_string(tty->term, TTYC_SE));
1.391 nicm 417: else if (tty_term_has(tty->term, TTYC_SS))
1.160 nicm 418: tty_raw(tty, tty_term_string1(tty->term, TTYC_SS, 0));
1.108 nicm 419: }
1.410 nicm 420: if (tty->ccolour != -1)
1.336 nicm 421: tty_raw(tty, tty_term_string(tty->term, TTYC_CR));
1.1 nicm 422:
423: tty_raw(tty, tty_term_string(tty->term, TTYC_CNORM));
1.343 nicm 424: if (tty_term_has(tty->term, TTYC_KMOUS)) {
425: tty_raw(tty, "\033[?1000l\033[?1002l\033[?1003l");
426: tty_raw(tty, "\033[?1006l\033[?1005l");
427: }
1.427 nicm 428: if (tty_term_has(tty->term, TTYC_DSBP))
429: tty_raw(tty, tty_term_string(tty->term, TTYC_DSBP));
1.151 nicm 430:
1.369 nicm 431: if (tty->term->flags & TERM_VT100LIKE)
1.352 nicm 432: tty_raw(tty, "\033[?7727l");
1.378 nicm 433: tty_raw(tty, tty_term_string(tty->term, TTYC_DSFCS));
434: tty_raw(tty, tty_term_string(tty->term, TTYC_DSEKS));
1.10 nicm 435:
1.212 nicm 436: if (tty_use_margin(tty))
1.365 nicm 437: tty_raw(tty, tty_term_string(tty->term, TTYC_DSMG));
1.10 nicm 438: tty_raw(tty, tty_term_string(tty->term, TTYC_RMCUP));
1.150 nicm 439:
1.380 nicm 440: setblocking(c->fd, 1);
1.1 nicm 441: }
442:
443: void
1.20 nicm 444: tty_close(struct tty *tty)
1.1 nicm 445: {
1.123 nicm 446: if (event_initialized(&tty->key_timer))
447: evtimer_del(&tty->key_timer);
1.20 nicm 448: tty_stop_tty(tty);
1.1 nicm 449:
1.21 nicm 450: if (tty->flags & TTY_OPENED) {
1.244 nicm 451: evbuffer_free(tty->in);
452: event_del(&tty->event_in);
453: evbuffer_free(tty->out);
454: event_del(&tty->event_out);
1.66 nicm 455:
1.21 nicm 456: tty_term_free(tty->term);
457: tty_keys_free(tty);
458:
459: tty->flags &= ~TTY_OPENED;
460: }
1.1 nicm 461: }
462:
463: void
1.20 nicm 464: tty_free(struct tty *tty)
1.1 nicm 465: {
1.20 nicm 466: tty_close(tty);
1.1 nicm 467: }
468:
469: void
1.359 nicm 470: tty_update_features(struct tty *tty)
1.212 nicm 471: {
1.359 nicm 472: struct client *c = tty->client;
473:
1.362 nicm 474: if (tty_apply_features(tty->term, c->term_features))
475: tty_term_apply_overrides(tty->term);
1.212 nicm 476:
477: if (tty_use_margin(tty))
1.365 nicm 478: tty_putcode(tty, TTYC_ENMG);
1.378 nicm 479: if (options_get_number(global_options, "extended-keys"))
480: tty_puts(tty, tty_term_string(tty->term, TTYC_ENEKS));
481: if (options_get_number(global_options, "focus-events"))
1.379 nicm 482: tty_puts(tty, tty_term_string(tty->term, TTYC_ENFCS));
1.378 nicm 483: if (tty->term->flags & TERM_VT100LIKE)
484: tty_puts(tty, "\033[?7727h");
1.212 nicm 485: }
486:
487: void
1.1 nicm 488: tty_raw(struct tty *tty, const char *s)
489: {
1.380 nicm 490: struct client *c = tty->client;
491: ssize_t n, slen;
492: u_int i;
1.150 nicm 493:
494: slen = strlen(s);
495: for (i = 0; i < 5; i++) {
1.380 nicm 496: n = write(c->fd, s, slen);
1.150 nicm 497: if (n >= 0) {
498: s += n;
499: slen -= n;
500: if (slen == 0)
501: break;
502: } else if (n == -1 && errno != EAGAIN)
503: break;
504: usleep(100);
505: }
1.1 nicm 506: }
507:
508: void
509: tty_putcode(struct tty *tty, enum tty_code_code code)
510: {
511: tty_puts(tty, tty_term_string(tty->term, code));
512: }
513:
514: void
515: tty_putcode1(struct tty *tty, enum tty_code_code code, int a)
516: {
517: if (a < 0)
518: return;
519: tty_puts(tty, tty_term_string1(tty->term, code, a));
520: }
521:
522: void
523: tty_putcode2(struct tty *tty, enum tty_code_code code, int a, int b)
524: {
525: if (a < 0 || b < 0)
526: return;
527: tty_puts(tty, tty_term_string2(tty->term, code, a, b));
528: }
529:
530: void
1.286 nicm 531: tty_putcode3(struct tty *tty, enum tty_code_code code, int a, int b, int c)
532: {
533: if (a < 0 || b < 0 || c < 0)
534: return;
535: tty_puts(tty, tty_term_string3(tty->term, code, a, b, c));
536: }
537:
538: void
1.107 nicm 539: tty_putcode_ptr1(struct tty *tty, enum tty_code_code code, const void *a)
540: {
541: if (a != NULL)
542: tty_puts(tty, tty_term_ptr1(tty->term, code, a));
543: }
544:
545: void
1.167 nicm 546: tty_putcode_ptr2(struct tty *tty, enum tty_code_code code, const void *a,
547: const void *b)
1.106 nicm 548: {
549: if (a != NULL && b != NULL)
550: tty_puts(tty, tty_term_ptr2(tty->term, code, a, b));
551: }
552:
1.243 nicm 553: static void
554: tty_add(struct tty *tty, const char *buf, size_t len)
555: {
1.258 nicm 556: struct client *c = tty->client;
557:
1.266 nicm 558: if (tty->flags & TTY_BLOCK) {
559: tty->discarded += len;
560: return;
561: }
562:
1.244 nicm 563: evbuffer_add(tty->out, buf, len);
1.270 nicm 564: log_debug("%s: %.*s", c->name, (int)len, buf);
1.266 nicm 565: c->written += len;
1.243 nicm 566:
567: if (tty_log_fd != -1)
568: write(tty_log_fd, buf, len);
1.244 nicm 569: if (tty->flags & TTY_STARTED)
570: event_add(&tty->event_out, NULL);
1.243 nicm 571: }
572:
1.106 nicm 573: void
1.1 nicm 574: tty_puts(struct tty *tty, const char *s)
575: {
1.243 nicm 576: if (*s != '\0')
577: tty_add(tty, s, strlen(s));
1.1 nicm 578: }
579:
580: void
581: tty_putc(struct tty *tty, u_char ch)
582: {
1.90 nicm 583: const char *acs;
1.1 nicm 584:
1.382 nicm 585: if ((tty->term->flags & TERM_NOAM) &&
1.325 nicm 586: ch >= 0x20 && ch != 0x7f &&
587: tty->cy == tty->sy - 1 &&
588: tty->cx + 1 >= tty->sx)
589: return;
590:
1.90 nicm 591: if (tty->cell.attr & GRID_ATTR_CHARSET) {
592: acs = tty_acs_get(tty, ch);
1.243 nicm 593: if (acs != NULL)
594: tty_add(tty, acs, strlen(acs));
595: else
596: tty_add(tty, &ch, 1);
597: } else
598: tty_add(tty, &ch, 1);
1.1 nicm 599:
600: if (ch >= 0x20 && ch != 0x7f) {
1.211 nicm 601: if (tty->cx >= tty->sx) {
1.46 nicm 602: tty->cx = 1;
603: if (tty->cy != tty->rlower)
604: tty->cy++;
1.211 nicm 605:
606: /*
1.382 nicm 607: * On !am terminals, force the cursor position to where
608: * we think it should be after a line wrap - this means
609: * it works on sensible terminals as well.
1.211 nicm 610: */
1.382 nicm 611: if (tty->term->flags & TERM_NOAM)
1.211 nicm 612: tty_putcode2(tty, TTYC_CUP, tty->cy, tty->cx);
1.1 nicm 613: } else
614: tty->cx++;
615: }
616: }
617:
618: void
1.147 nicm 619: tty_putn(struct tty *tty, const void *buf, size_t len, u_int width)
1.5 nicm 620: {
1.382 nicm 621: if ((tty->term->flags & TERM_NOAM) &&
1.325 nicm 622: tty->cy == tty->sy - 1 &&
623: tty->cx + len >= tty->sx)
624: len = tty->sx - tty->cx - 1;
625:
1.243 nicm 626: tty_add(tty, buf, len);
1.268 nicm 627: if (tty->cx + width > tty->sx) {
628: tty->cx = (tty->cx + width) - tty->sx;
629: if (tty->cx <= tty->sx)
630: tty->cy++;
631: else
632: tty->cx = tty->cy = UINT_MAX;
633: } else
1.254 nicm 634: tty->cx += width;
1.5 nicm 635: }
636:
1.207 nicm 637: static void
1.180 nicm 638: tty_set_italics(struct tty *tty)
639: {
640: const char *s;
641:
642: if (tty_term_has(tty->term, TTYC_SITM)) {
1.191 nicm 643: s = options_get_string(global_options, "default-terminal");
1.180 nicm 644: if (strcmp(s, "screen") != 0 && strncmp(s, "screen-", 7) != 0) {
645: tty_putcode(tty, TTYC_SITM);
646: return;
647: }
648: }
649: tty_putcode(tty, TTYC_SMSO);
650: }
651:
652: void
1.1 nicm 653: tty_set_title(struct tty *tty, const char *title)
654: {
1.105 nicm 655: if (!tty_term_has(tty->term, TTYC_TSL) ||
656: !tty_term_has(tty->term, TTYC_FSL))
1.1 nicm 657: return;
658:
1.105 nicm 659: tty_putcode(tty, TTYC_TSL);
1.418 nicm 660: tty_puts(tty, title);
661: tty_putcode(tty, TTYC_FSL);
662: }
663:
664: void
665: tty_set_path(struct tty *tty, const char *title)
666: {
667: if (!tty_term_has(tty->term, TTYC_SWD) ||
668: !tty_term_has(tty->term, TTYC_FSL))
669: return;
670:
671: tty_putcode(tty, TTYC_SWD);
1.1 nicm 672: tty_puts(tty, title);
1.105 nicm 673: tty_putcode(tty, TTYC_FSL);
1.1 nicm 674: }
675:
1.208 nicm 676: static void
1.410 nicm 677: tty_force_cursor_colour(struct tty *tty, int c)
1.107 nicm 678: {
1.410 nicm 679: u_char r, g, b;
1.420 nicm 680: char s[13];
1.410 nicm 681:
682: if (c != -1)
683: c = colour_force_rgb(c);
684: if (c == tty->ccolour)
685: return;
686: if (c == -1)
1.107 nicm 687: tty_putcode(tty, TTYC_CR);
1.410 nicm 688: else {
689: colour_split_rgb(c, &r, &g, &b);
690: xsnprintf(s, sizeof s, "rgb:%02hhx/%02hhx/%02hhx", r, g, b);
691: tty_putcode_ptr1(tty, TTYC_CS, s);
692: }
693: tty->ccolour = c;
1.107 nicm 694: }
695:
1.411 nicm 696: static int
697: tty_update_cursor(struct tty *tty, int mode, struct screen *s)
1.404 nicm 698: {
1.410 nicm 699: enum screen_cursor_style cstyle;
1.411 nicm 700: int ccolour, changed, cmode = mode;
1.404 nicm 701:
702: /* Set cursor colour if changed. */
1.410 nicm 703: if (s != NULL) {
704: ccolour = s->ccolour;
705: if (s->ccolour == -1)
706: ccolour = s->default_ccolour;
707: tty_force_cursor_colour(tty, ccolour);
708: }
1.404 nicm 709:
710: /* If cursor is off, set as invisible. */
1.411 nicm 711: if (~cmode & MODE_CURSOR) {
712: if (tty->mode & MODE_CURSOR)
1.404 nicm 713: tty_putcode(tty, TTYC_CIVIS);
1.411 nicm 714: return (cmode);
1.404 nicm 715: }
716:
717: /* Check if blinking or very visible flag changed or style changed. */
718: if (s == NULL)
719: cstyle = tty->cstyle;
1.411 nicm 720: else {
1.404 nicm 721: cstyle = s->cstyle;
1.411 nicm 722: if (cstyle == SCREEN_CURSOR_DEFAULT) {
723: if (~cmode & MODE_CURSOR_BLINKING_SET) {
724: if (s->default_mode & MODE_CURSOR_BLINKING)
725: cmode |= MODE_CURSOR_BLINKING;
726: else
727: cmode &= ~MODE_CURSOR_BLINKING;
728: }
729: cstyle = s->default_cstyle;
730: }
731: }
732:
733: /* If nothing changed, do nothing. */
734: changed = cmode ^ tty->mode;
1.404 nicm 735: if ((changed & CURSOR_MODES) == 0 && cstyle == tty->cstyle)
1.411 nicm 736: return (cmode);
1.404 nicm 737:
738: /*
739: * Set cursor style. If an explicit style has been set with DECSCUSR,
740: * set it if supported, otherwise send cvvis for blinking styles.
741: *
742: * If no style, has been set (SCREEN_CURSOR_DEFAULT), then send cvvis
743: * if either the blinking or very visible flags are set.
744: */
745: tty_putcode(tty, TTYC_CNORM);
746: switch (cstyle) {
747: case SCREEN_CURSOR_DEFAULT:
1.405 nicm 748: if (tty->cstyle != SCREEN_CURSOR_DEFAULT) {
749: if (tty_term_has(tty->term, TTYC_SE))
750: tty_putcode(tty, TTYC_SE);
751: else
752: tty_putcode1(tty, TTYC_SS, 0);
753: }
1.411 nicm 754: if (cmode & (MODE_CURSOR_BLINKING|MODE_CURSOR_VERY_VISIBLE))
1.404 nicm 755: tty_putcode(tty, TTYC_CVVIS);
756: break;
757: case SCREEN_CURSOR_BLOCK:
758: if (tty_term_has(tty->term, TTYC_SS)) {
1.411 nicm 759: if (cmode & MODE_CURSOR_BLINKING)
1.404 nicm 760: tty_putcode1(tty, TTYC_SS, 1);
761: else
762: tty_putcode1(tty, TTYC_SS, 2);
1.411 nicm 763: } else if (cmode & MODE_CURSOR_BLINKING)
1.404 nicm 764: tty_putcode(tty, TTYC_CVVIS);
765: break;
766: case SCREEN_CURSOR_UNDERLINE:
767: if (tty_term_has(tty->term, TTYC_SS)) {
1.411 nicm 768: if (cmode & MODE_CURSOR_BLINKING)
1.404 nicm 769: tty_putcode1(tty, TTYC_SS, 3);
770: else
771: tty_putcode1(tty, TTYC_SS, 4);
1.411 nicm 772: } else if (cmode & MODE_CURSOR_BLINKING)
1.404 nicm 773: tty_putcode(tty, TTYC_CVVIS);
774: break;
775: case SCREEN_CURSOR_BAR:
776: if (tty_term_has(tty->term, TTYC_SS)) {
1.411 nicm 777: if (cmode & MODE_CURSOR_BLINKING)
1.404 nicm 778: tty_putcode1(tty, TTYC_SS, 5);
779: else
780: tty_putcode1(tty, TTYC_SS, 6);
1.411 nicm 781: } else if (cmode & MODE_CURSOR_BLINKING)
1.404 nicm 782: tty_putcode(tty, TTYC_CVVIS);
783: break;
784: }
785: tty->cstyle = cstyle;
1.411 nicm 786: return (cmode);
1.404 nicm 787: }
788:
1.107 nicm 789: void
790: tty_update_mode(struct tty *tty, int mode, struct screen *s)
1.1 nicm 791: {
1.411 nicm 792: struct tty_term *term = tty->term;
1.404 nicm 793: struct client *c = tty->client;
794: int changed;
1.107 nicm 795:
1.1 nicm 796: if (tty->flags & TTY_NOCURSOR)
797: mode &= ~MODE_CURSOR;
798:
1.411 nicm 799: if (tty_update_cursor(tty, mode, s) & MODE_CURSOR_BLINKING)
800: mode |= MODE_CURSOR_BLINKING;
801: else
802: mode &= ~MODE_CURSOR_BLINKING;
803:
1.1 nicm 804: changed = mode ^ tty->mode;
1.392 nicm 805: if (log_get_level() != 0 && changed != 0) {
806: log_debug("%s: current mode %s", c->name,
807: screen_mode_to_string(tty->mode));
808: log_debug("%s: setting mode %s", c->name,
809: screen_mode_to_string(mode));
810: }
1.344 nicm 811:
1.411 nicm 812: if ((changed & ALL_MOUSE_MODES) && tty_term_has(term, TTYC_KMOUS)) {
1.386 nicm 813: /*
1.415 nicm 814: * If the mouse modes have changed, clear then all and apply
815: * again. There are differences in how terminals track the
816: * various bits.
1.386 nicm 817: */
1.415 nicm 818: tty_puts(tty, "\033[?1006l\033[?1000l\033[?1002l\033[?1003l");
1.344 nicm 819: if (mode & ALL_MOUSE_MODES)
1.153 nicm 820: tty_puts(tty, "\033[?1006h");
1.415 nicm 821: if (mode & MODE_MOUSE_ALL)
822: tty_puts(tty, "\033[?1000h\033[?1002h\033[?1003h");
1.419 nicm 823: else if (mode & MODE_MOUSE_BUTTON)
1.415 nicm 824: tty_puts(tty, "\033[?1000h\033[?1002h");
825: else if (mode & MODE_MOUSE_STANDARD)
1.344 nicm 826: tty_puts(tty, "\033[?1000h");
1.1 nicm 827: }
828: tty->mode = mode;
829: }
830:
1.207 nicm 831: static void
1.168 nicm 832: tty_emulate_repeat(struct tty *tty, enum tty_code_code code,
833: enum tty_code_code code1, u_int n)
1.1 nicm 834: {
835: if (tty_term_has(tty->term, code))
836: tty_putcode1(tty, code, n);
837: else {
838: while (n-- > 0)
839: tty_putcode(tty, code1);
840: }
841: }
842:
1.207 nicm 843: static void
1.133 nicm 844: tty_repeat_space(struct tty *tty, u_int n)
845: {
1.257 nicm 846: static char s[500];
847:
848: if (*s != ' ')
849: memset(s, ' ', sizeof s);
850:
851: while (n > sizeof s) {
852: tty_putn(tty, s, sizeof s, sizeof s);
853: n -= sizeof s;
854: }
855: if (n != 0)
856: tty_putn(tty, s, n, n);
1.304 nicm 857: }
858:
1.309 nicm 859: /* Is this window bigger than the terminal? */
860: int
861: tty_window_bigger(struct tty *tty)
862: {
863: struct client *c = tty->client;
864: struct window *w = c->session->curw->window;
865:
866: return (tty->sx < w->sx || tty->sy - status_line_size(c) < w->sy);
867: }
868:
869: /* What offset should this window be drawn at? */
870: int
871: tty_window_offset(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
872: {
873: *ox = tty->oox;
874: *oy = tty->ooy;
875: *sx = tty->osx;
876: *sy = tty->osy;
877:
878: return (tty->oflag);
879: }
880:
881: /* What offset should this window be drawn at? */
882: static int
883: tty_window_offset1(struct tty *tty, u_int *ox, u_int *oy, u_int *sx, u_int *sy)
884: {
885: struct client *c = tty->client;
886: struct window *w = c->session->curw->window;
1.376 nicm 887: struct window_pane *wp = server_client_get_pane(c);
1.309 nicm 888: u_int cx, cy, lines;
889:
890: lines = status_line_size(c);
891:
892: if (tty->sx >= w->sx && tty->sy - lines >= w->sy) {
893: *ox = 0;
894: *oy = 0;
895: *sx = w->sx;
896: *sy = w->sy;
897:
898: c->pan_window = NULL;
899: return (0);
900: }
901:
902: *sx = tty->sx;
903: *sy = tty->sy - lines;
904:
905: if (c->pan_window == w) {
906: if (*sx >= w->sx)
907: c->pan_ox = 0;
908: else if (c->pan_ox + *sx > w->sx)
909: c->pan_ox = w->sx - *sx;
910: *ox = c->pan_ox;
911: if (*sy >= w->sy)
912: c->pan_oy = 0;
913: else if (c->pan_oy + *sy > w->sy)
914: c->pan_oy = w->sy - *sy;
915: *oy = c->pan_oy;
916: return (1);
917: }
918:
919: if (~wp->screen->mode & MODE_CURSOR) {
920: *ox = 0;
921: *oy = 0;
922: } else {
923: cx = wp->xoff + wp->screen->cx;
924: cy = wp->yoff + wp->screen->cy;
925:
926: if (cx < *sx)
927: *ox = 0;
928: else if (cx > w->sx - *sx)
929: *ox = w->sx - *sx;
930: else
931: *ox = cx - *sx / 2;
932:
933: if (cy < *sy)
934: *oy = 0;
935: else if (cy > w->sy - *sy)
936: *oy = w->sy - *sy;
937: else
938: *oy = cy - *sy / 2;
939: }
940:
941: c->pan_window = NULL;
942: return (1);
943: }
944:
945: /* Update stored offsets for a window and redraw if necessary. */
946: void
947: tty_update_window_offset(struct window *w)
948: {
949: struct client *c;
950:
951: TAILQ_FOREACH(c, &clients, entry) {
1.413 nicm 952: if (c->session != NULL &&
953: c->session->curw != NULL &&
954: c->session->curw->window == w)
1.309 nicm 955: tty_update_client_offset(c);
956: }
957: }
958:
959: /* Update stored offsets for a client and redraw if necessary. */
960: void
961: tty_update_client_offset(struct client *c)
1.304 nicm 962: {
1.309 nicm 963: u_int ox, oy, sx, sy;
1.314 nicm 964:
965: if (~c->flags & CLIENT_TERMINAL)
966: return;
1.304 nicm 967:
1.309 nicm 968: c->tty.oflag = tty_window_offset1(&c->tty, &ox, &oy, &sx, &sy);
969: if (ox == c->tty.oox &&
970: oy == c->tty.ooy &&
971: sx == c->tty.osx &&
972: sy == c->tty.osy)
973: return;
974:
975: log_debug ("%s: %s offset has changed (%u,%u %ux%u -> %u,%u %ux%u)",
976: __func__, c->name, c->tty.oox, c->tty.ooy, c->tty.osx, c->tty.osy,
977: ox, oy, sx, sy);
978:
979: c->tty.oox = ox;
980: c->tty.ooy = oy;
981: c->tty.osx = sx;
982: c->tty.osy = sy;
983:
984: c->flags |= (CLIENT_REDRAWWINDOW|CLIENT_REDRAWSTATUS);
1.133 nicm 985: }
986:
1.1 nicm 987: /*
1.119 nicm 988: * Is the region large enough to be worth redrawing once later rather than
989: * probably several times now? Currently yes if it is more than 50% of the
990: * pane.
991: */
1.207 nicm 992: static int
1.194 nicm 993: tty_large_region(__unused struct tty *tty, const struct tty_ctx *ctx)
1.119 nicm 994: {
1.372 nicm 995: return (ctx->orlower - ctx->orupper >= ctx->sy / 2);
1.119 nicm 996: }
997:
998: /*
1.176 nicm 999: * Return if BCE is needed but the terminal doesn't have it - it'll need to be
1000: * emulated.
1001: */
1.207 nicm 1002: static int
1.373 nicm 1003: tty_fake_bce(const struct tty *tty, const struct grid_cell *gc, u_int bg)
1.176 nicm 1004: {
1.210 nicm 1005: if (tty_term_flag(tty->term, TTYC_BCE))
1006: return (0);
1.373 nicm 1007: if (!COLOUR_DEFAULT(bg) || !COLOUR_DEFAULT(gc->bg))
1.210 nicm 1008: return (1);
1009: return (0);
1.176 nicm 1010: }
1011:
1012: /*
1.1 nicm 1013: * Redraw scroll region using data from screen (already updated). Used when
1014: * CSR not supported, or window is a pane that doesn't take up the full
1015: * width of the terminal.
1016: */
1.207 nicm 1017: static void
1.24 nicm 1018: tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1019: {
1.358 nicm 1020: struct client *c = tty->client;
1.204 nicm 1021: u_int i;
1.1 nicm 1022:
1023: /*
1.373 nicm 1024: * If region is large, schedule a redraw. In most cases this is likely
1025: * to be followed by some more scrolling.
1.1 nicm 1026: */
1.119 nicm 1027: if (tty_large_region(tty, ctx)) {
1.373 nicm 1028: log_debug("%s: %s large redraw", __func__, c->name);
1029: ctx->redraw_cb(ctx);
1.1 nicm 1030: return;
1031: }
1032:
1.393 nicm 1033: for (i = ctx->orupper; i <= ctx->orlower; i++)
1034: tty_draw_pane(tty, ctx, i);
1.1 nicm 1035: }
1036:
1.309 nicm 1037: /* Is this position visible in the pane? */
1038: static int
1.374 nicm 1039: tty_is_visible(__unused struct tty *tty, const struct tty_ctx *ctx, u_int px,
1040: u_int py, u_int nx, u_int ny)
1.309 nicm 1041: {
1.374 nicm 1042: u_int xoff = ctx->rxoff + px, yoff = ctx->ryoff + py;
1.309 nicm 1043:
1044: if (!ctx->bigger)
1045: return (1);
1046:
1.372 nicm 1047: if (xoff + nx <= ctx->wox || xoff >= ctx->wox + ctx->wsx ||
1.374 nicm 1048: yoff + ny <= ctx->woy || yoff >= ctx->woy + ctx->wsy)
1.309 nicm 1049: return (0);
1050: return (1);
1051: }
1052:
1053: /* Clamp line position to visible part of pane. */
1054: static int
1055: tty_clamp_line(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1056: u_int nx, u_int *i, u_int *x, u_int *rx, u_int *ry)
1057: {
1.373 nicm 1058: u_int xoff = ctx->rxoff + px;
1.309 nicm 1059:
1060: if (!tty_is_visible(tty, ctx, px, py, nx, 1))
1061: return (0);
1.372 nicm 1062: *ry = ctx->yoff + py - ctx->woy;
1.309 nicm 1063:
1.372 nicm 1064: if (xoff >= ctx->wox && xoff + nx <= ctx->wox + ctx->wsx) {
1.309 nicm 1065: /* All visible. */
1066: *i = 0;
1.372 nicm 1067: *x = ctx->xoff + px - ctx->wox;
1.309 nicm 1068: *rx = nx;
1.372 nicm 1069: } else if (xoff < ctx->wox && xoff + nx > ctx->wox + ctx->wsx) {
1.309 nicm 1070: /* Both left and right not visible. */
1.372 nicm 1071: *i = ctx->wox;
1.309 nicm 1072: *x = 0;
1.372 nicm 1073: *rx = ctx->wsx;
1074: } else if (xoff < ctx->wox) {
1.309 nicm 1075: /* Left not visible. */
1.372 nicm 1076: *i = ctx->wox - (ctx->xoff + px);
1.309 nicm 1077: *x = 0;
1078: *rx = nx - *i;
1079: } else {
1080: /* Right not visible. */
1081: *i = 0;
1.372 nicm 1082: *x = (ctx->xoff + px) - ctx->wox;
1083: *rx = ctx->wsx - *x;
1.309 nicm 1084: }
1085: if (*rx > nx)
1086: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1087:
1088: return (1);
1089: }
1090:
1091: /* Clear a line. */
1.271 nicm 1092: static void
1.373 nicm 1093: tty_clear_line(struct tty *tty, const struct grid_cell *defaults, u_int py,
1094: u_int px, u_int nx, u_int bg)
1.271 nicm 1095: {
1.406 nicm 1096: struct client *c = tty->client;
1097: struct overlay_ranges r;
1098: u_int i;
1.309 nicm 1099:
1100: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1.271 nicm 1101:
1102: /* Nothing to clear. */
1103: if (nx == 0)
1104: return;
1105:
1106: /* If genuine BCE is available, can try escape sequences. */
1.394 nicm 1107: if (c->overlay_check == NULL && !tty_fake_bce(tty, defaults, bg)) {
1.271 nicm 1108: /* Off the end of the line, use EL if available. */
1109: if (px + nx >= tty->sx && tty_term_has(tty->term, TTYC_EL)) {
1110: tty_cursor(tty, px, py);
1111: tty_putcode(tty, TTYC_EL);
1112: return;
1113: }
1114:
1115: /* At the start of the line. Use EL1. */
1116: if (px == 0 && tty_term_has(tty->term, TTYC_EL1)) {
1117: tty_cursor(tty, px + nx - 1, py);
1118: tty_putcode(tty, TTYC_EL1);
1119: return;
1120: }
1121:
1122: /* Section of line. Use ECH if possible. */
1123: if (tty_term_has(tty->term, TTYC_ECH)) {
1124: tty_cursor(tty, px, py);
1125: tty_putcode1(tty, TTYC_ECH, nx);
1126: return;
1127: }
1128: }
1129:
1.394 nicm 1130: /*
1131: * Couldn't use an escape sequence, use spaces. Clear only the visible
1132: * bit if there is an overlay.
1133: */
1.406 nicm 1134: tty_check_overlay_range(tty, px, py, nx, &r);
1135: for (i = 0; i < OVERLAY_MAX_RANGES; i++) {
1136: if (r.nx[i] == 0)
1137: continue;
1138: tty_cursor(tty, r.px[i], py);
1139: tty_repeat_space(tty, r.nx[i]);
1.394 nicm 1140: }
1.271 nicm 1141: }
1142:
1.309 nicm 1143: /* Clear a line, adjusting to visible part of pane. */
1144: static void
1145: tty_clear_pane_line(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1146: u_int px, u_int nx, u_int bg)
1147: {
1148: struct client *c = tty->client;
1149: u_int i, x, rx, ry;
1150:
1151: log_debug("%s: %s, %u at %u,%u", __func__, c->name, nx, px, py);
1152:
1153: if (tty_clamp_line(tty, ctx, px, py, nx, &i, &x, &rx, &ry))
1.373 nicm 1154: tty_clear_line(tty, &ctx->defaults, ry, x, rx, bg);
1.309 nicm 1155: }
1156:
1157: /* Clamp area position to visible part of pane. */
1158: static int
1159: tty_clamp_area(struct tty *tty, const struct tty_ctx *ctx, u_int px, u_int py,
1160: u_int nx, u_int ny, u_int *i, u_int *j, u_int *x, u_int *y, u_int *rx,
1161: u_int *ry)
1162: {
1.373 nicm 1163: u_int xoff = ctx->rxoff + px, yoff = ctx->ryoff + py;
1.309 nicm 1164:
1165: if (!tty_is_visible(tty, ctx, px, py, nx, ny))
1166: return (0);
1167:
1.372 nicm 1168: if (xoff >= ctx->wox && xoff + nx <= ctx->wox + ctx->wsx) {
1.309 nicm 1169: /* All visible. */
1170: *i = 0;
1.372 nicm 1171: *x = ctx->xoff + px - ctx->wox;
1.309 nicm 1172: *rx = nx;
1.372 nicm 1173: } else if (xoff < ctx->wox && xoff + nx > ctx->wox + ctx->wsx) {
1.309 nicm 1174: /* Both left and right not visible. */
1.372 nicm 1175: *i = ctx->wox;
1.309 nicm 1176: *x = 0;
1.372 nicm 1177: *rx = ctx->wsx;
1178: } else if (xoff < ctx->wox) {
1.309 nicm 1179: /* Left not visible. */
1.372 nicm 1180: *i = ctx->wox - (ctx->xoff + px);
1.309 nicm 1181: *x = 0;
1182: *rx = nx - *i;
1183: } else {
1184: /* Right not visible. */
1185: *i = 0;
1.372 nicm 1186: *x = (ctx->xoff + px) - ctx->wox;
1187: *rx = ctx->wsx - *x;
1.309 nicm 1188: }
1189: if (*rx > nx)
1190: fatalx("%s: x too big, %u > %u", __func__, *rx, nx);
1191:
1.372 nicm 1192: if (yoff >= ctx->woy && yoff + ny <= ctx->woy + ctx->wsy) {
1.309 nicm 1193: /* All visible. */
1194: *j = 0;
1.372 nicm 1195: *y = ctx->yoff + py - ctx->woy;
1.309 nicm 1196: *ry = ny;
1.372 nicm 1197: } else if (yoff < ctx->woy && yoff + ny > ctx->woy + ctx->wsy) {
1.327 nicm 1198: /* Both top and bottom not visible. */
1.372 nicm 1199: *j = ctx->woy;
1.309 nicm 1200: *y = 0;
1.372 nicm 1201: *ry = ctx->wsy;
1202: } else if (yoff < ctx->woy) {
1.327 nicm 1203: /* Top not visible. */
1.372 nicm 1204: *j = ctx->woy - (ctx->yoff + py);
1.309 nicm 1205: *y = 0;
1206: *ry = ny - *j;
1207: } else {
1.327 nicm 1208: /* Bottom not visible. */
1.309 nicm 1209: *j = 0;
1.372 nicm 1210: *y = (ctx->yoff + py) - ctx->woy;
1211: *ry = ctx->wsy - *y;
1.309 nicm 1212: }
1213: if (*ry > ny)
1214: fatalx("%s: y too big, %u > %u", __func__, *ry, ny);
1215:
1216: return (1);
1217: }
1218:
1219: /* Clear an area, adjusting to visible part of pane. */
1.271 nicm 1220: static void
1.373 nicm 1221: tty_clear_area(struct tty *tty, const struct grid_cell *defaults, u_int py,
1222: u_int ny, u_int px, u_int nx, u_int bg)
1.271 nicm 1223: {
1.309 nicm 1224: struct client *c = tty->client;
1225: u_int yy;
1226: char tmp[64];
1.271 nicm 1227:
1.309 nicm 1228: log_debug("%s: %s, %u,%u at %u,%u", __func__, c->name, nx, ny, px, py);
1.271 nicm 1229:
1230: /* Nothing to clear. */
1231: if (nx == 0 || ny == 0)
1232: return;
1233:
1234: /* If genuine BCE is available, can try escape sequences. */
1.394 nicm 1235: if (c->overlay_check == NULL && !tty_fake_bce(tty, defaults, bg)) {
1.276 nicm 1236: /* Use ED if clearing off the bottom of the terminal. */
1.271 nicm 1237: if (px == 0 &&
1238: px + nx >= tty->sx &&
1239: py + ny >= tty->sy &&
1240: tty_term_has(tty->term, TTYC_ED)) {
1241: tty_cursor(tty, 0, py);
1242: tty_putcode(tty, TTYC_ED);
1.274 nicm 1243: return;
1244: }
1245:
1246: /*
1.276 nicm 1247: * On VT420 compatible terminals we can use DECFRA if the
1248: * background colour isn't default (because it doesn't work
1249: * after SGR 0).
1.274 nicm 1250: */
1.359 nicm 1251: if ((tty->term->flags & TERM_DECFRA) && !COLOUR_DEFAULT(bg)) {
1.274 nicm 1252: xsnprintf(tmp, sizeof tmp, "\033[32;%u;%u;%u;%u$x",
1253: py + 1, px + 1, py + ny, px + nx);
1254: tty_puts(tty, tmp);
1.276 nicm 1255: return;
1256: }
1257:
1.280 nicm 1258: /* Full lines can be scrolled away to clear them. */
1259: if (px == 0 &&
1.281 nicm 1260: px + nx >= tty->sx &&
1.280 nicm 1261: ny > 2 &&
1262: tty_term_has(tty->term, TTYC_CSR) &&
1263: tty_term_has(tty->term, TTYC_INDN)) {
1264: tty_region(tty, py, py + ny - 1);
1265: tty_margin_off(tty);
1.284 nicm 1266: tty_putcode1(tty, TTYC_INDN, ny);
1.280 nicm 1267: return;
1268: }
1269:
1.276 nicm 1270: /*
1271: * If margins are supported, can just scroll the area off to
1272: * clear it.
1273: */
1.277 nicm 1274: if (nx > 2 &&
1275: ny > 2 &&
1.280 nicm 1276: tty_term_has(tty->term, TTYC_CSR) &&
1.277 nicm 1277: tty_use_margin(tty) &&
1278: tty_term_has(tty->term, TTYC_INDN)) {
1.276 nicm 1279: tty_region(tty, py, py + ny - 1);
1280: tty_margin(tty, px, px + nx - 1);
1.284 nicm 1281: tty_putcode1(tty, TTYC_INDN, ny);
1.271 nicm 1282: return;
1283: }
1284: }
1285:
1286: /* Couldn't use an escape sequence, loop over the lines. */
1287: for (yy = py; yy < py + ny; yy++)
1.373 nicm 1288: tty_clear_line(tty, defaults, yy, px, nx, bg);
1.271 nicm 1289: }
1290:
1.309 nicm 1291: /* Clear an area in a pane. */
1292: static void
1293: tty_clear_pane_area(struct tty *tty, const struct tty_ctx *ctx, u_int py,
1294: u_int ny, u_int px, u_int nx, u_int bg)
1295: {
1296: u_int i, j, x, y, rx, ry;
1297:
1298: if (tty_clamp_area(tty, ctx, px, py, nx, ny, &i, &j, &x, &y, &rx, &ry))
1.373 nicm 1299: tty_clear_area(tty, &ctx->defaults, y, ry, x, rx, bg);
1.309 nicm 1300: }
1301:
1302: static void
1303: tty_draw_pane(struct tty *tty, const struct tty_ctx *ctx, u_int py)
1.176 nicm 1304: {
1.373 nicm 1305: struct screen *s = ctx->s;
1306: u_int nx = ctx->sx, i, x, rx, ry;
1.309 nicm 1307:
1308: log_debug("%s: %s %u %d", __func__, tty->client->name, py, ctx->bigger);
1309:
1310: if (!ctx->bigger) {
1.373 nicm 1311: tty_draw_line(tty, s, 0, py, nx, ctx->xoff, ctx->yoff + py,
1312: &ctx->defaults, ctx->palette);
1.309 nicm 1313: return;
1314: }
1.373 nicm 1315: if (tty_clamp_line(tty, ctx, 0, py, nx, &i, &x, &rx, &ry)) {
1316: tty_draw_line(tty, s, i, py, rx, x, ry, &ctx->defaults,
1317: ctx->palette);
1318: }
1.176 nicm 1319: }
1320:
1.298 nicm 1321: static const struct grid_cell *
1322: tty_check_codeset(struct tty *tty, const struct grid_cell *gc)
1323: {
1324: static struct grid_cell new;
1.377 nicm 1325: int c;
1.298 nicm 1326:
1327: /* Characters less than 0x7f are always fine, no matter what. */
1328: if (gc->data.size == 1 && *gc->data.data < 0x7f)
1329: return (gc);
1330:
1331: /* UTF-8 terminal and a UTF-8 character - fine. */
1.359 nicm 1332: if (tty->client->flags & CLIENT_UTF8)
1.298 nicm 1333: return (gc);
1.377 nicm 1334: memcpy(&new, gc, sizeof new);
1335:
1336: /* See if this can be mapped to an ACS character. */
1337: c = tty_acs_reverse_get(tty, gc->data.data, gc->data.size);
1338: if (c != -1) {
1339: utf8_set(&new.data, c);
1340: new.attr |= GRID_ATTR_CHARSET;
1341: return (&new);
1342: }
1.298 nicm 1343:
1344: /* Replace by the right number of underscores. */
1.377 nicm 1345: new.data.size = gc->data.width;
1346: if (new.data.size > UTF8_SIZE)
1347: new.data.size = UTF8_SIZE;
1348: memset(new.data.data, '_', new.data.size);
1.298 nicm 1349: return (&new);
1350: }
1351:
1.406 nicm 1352: /*
1353: * Check if a single character is obstructed by the overlay and return a
1354: * boolean.
1355: */
1.346 nicm 1356: static int
1357: tty_check_overlay(struct tty *tty, u_int px, u_int py)
1358: {
1.406 nicm 1359: struct overlay_ranges r;
1360:
1361: /*
1362: * A unit width range will always return nx[2] == 0 from a check, even
1363: * with multiple overlays, so it's sufficient to check just the first
1364: * two entries.
1365: */
1366: tty_check_overlay_range(tty, px, py, 1, &r);
1367: if (r.nx[0] + r.nx[1] == 0)
1368: return (0);
1369: return (1);
1370: }
1371:
1372: /* Return parts of the input range which are visible. */
1373: static void
1374: tty_check_overlay_range(struct tty *tty, u_int px, u_int py, u_int nx,
1375: struct overlay_ranges *r)
1376: {
1.346 nicm 1377: struct client *c = tty->client;
1378:
1.406 nicm 1379: if (c->overlay_check == NULL) {
1380: r->px[0] = px;
1381: r->nx[0] = nx;
1382: r->px[1] = 0;
1383: r->nx[1] = 0;
1384: r->px[2] = 0;
1385: r->nx[2] = 0;
1386: return;
1387: }
1388:
1389: c->overlay_check(c, c->overlay_data, px, py, nx, r);
1.346 nicm 1390: }
1391:
1.176 nicm 1392: void
1.373 nicm 1393: tty_draw_line(struct tty *tty, struct screen *s, u_int px, u_int py, u_int nx,
1.399 nicm 1394: u_int atx, u_int aty, const struct grid_cell *defaults,
1395: struct colour_palette *palette)
1.1 nicm 1396: {
1.297 nicm 1397: struct grid *gd = s->grid;
1.250 nicm 1398: struct grid_cell gc, last;
1.298 nicm 1399: const struct grid_cell *gcp;
1.309 nicm 1400: struct grid_line *gl;
1.394 nicm 1401: struct client *c = tty->client;
1.406 nicm 1402: struct overlay_ranges r;
1403: u_int i, j, ux, sx, width, hidden, eux, nxx;
1404: u_int cellsize;
1.396 nicm 1405: int flags, cleared = 0, wrapped = 0;
1.250 nicm 1406: char buf[512];
1.315 nicm 1407: size_t len;
1.1 nicm 1408:
1.309 nicm 1409: log_debug("%s: px=%u py=%u nx=%u atx=%u aty=%u", __func__,
1410: px, py, nx, atx, aty);
1.399 nicm 1411: log_debug("%s: defaults: fg=%d, bg=%d", __func__, defaults->fg,
1412: defaults->bg);
1.309 nicm 1413:
1414: /*
1415: * py is the line in the screen to draw.
1416: * px is the start x and nx is the width to draw.
1417: * atx,aty is the line on the terminal to draw it.
1418: */
1419:
1.259 nicm 1420: flags = (tty->flags & TTY_NOCURSOR);
1.181 nicm 1421: tty->flags |= TTY_NOCURSOR;
1422: tty_update_mode(tty, tty->mode, s);
1.35 nicm 1423:
1.214 nicm 1424: tty_region_off(tty);
1425: tty_margin_off(tty);
1426:
1.273 nicm 1427: /*
1428: * Clamp the width to cellsize - note this is not cellused, because
1429: * there may be empty background cells after it (from BCE).
1430: */
1.1 nicm 1431: sx = screen_size_x(s);
1.309 nicm 1432: if (nx > sx)
1433: nx = sx;
1.303 nicm 1434: cellsize = grid_get_line(gd, gd->hsize + py)->cellsize;
1435: if (sx > cellsize)
1436: sx = cellsize;
1.1 nicm 1437: if (sx > tty->sx)
1438: sx = tty->sx;
1.309 nicm 1439: if (sx > nx)
1440: sx = nx;
1.292 nicm 1441: ux = 0;
1.1 nicm 1442:
1.309 nicm 1443: if (py == 0)
1444: gl = NULL;
1445: else
1446: gl = grid_get_line(gd, gd->hsize + py - 1);
1.373 nicm 1447: if (gl == NULL ||
1.309 nicm 1448: (~gl->flags & GRID_LINE_WRAPPED) ||
1449: atx != 0 ||
1.268 nicm 1450: tty->cx < tty->sx ||
1.309 nicm 1451: nx < tty->sx) {
1452: if (nx < tty->sx &&
1453: atx == 0 &&
1454: px + sx != nx &&
1.268 nicm 1455: tty_term_has(tty->term, TTYC_EL1) &&
1.394 nicm 1456: !tty_fake_bce(tty, defaults, 8) &&
1457: c->overlay_check == NULL) {
1.421 nicm 1458: tty_default_attributes(tty, defaults, palette, 8,
1459: s->hyperlinks);
1.309 nicm 1460: tty_cursor(tty, nx - 1, aty);
1.268 nicm 1461: tty_putcode(tty, TTYC_EL1);
1462: cleared = 1;
1463: }
1.329 nicm 1464: } else {
1.309 nicm 1465: log_debug("%s: wrapped line %u", __func__, aty);
1.329 nicm 1466: wrapped = 1;
1467: }
1.250 nicm 1468:
1469: memcpy(&last, &grid_default_cell, sizeof last);
1470: len = 0;
1471: width = 0;
1.46 nicm 1472:
1.1 nicm 1473: for (i = 0; i < sx; i++) {
1.309 nicm 1474: grid_view_get_cell(gd, px + i, py, &gc);
1.298 nicm 1475: gcp = tty_check_codeset(tty, &gc);
1.250 nicm 1476: if (len != 0 &&
1.346 nicm 1477: (!tty_check_overlay(tty, atx + ux + width, aty) ||
1478: (gcp->attr & GRID_ATTR_CHARSET) ||
1.298 nicm 1479: gcp->flags != last.flags ||
1480: gcp->attr != last.attr ||
1481: gcp->fg != last.fg ||
1482: gcp->bg != last.bg ||
1.328 nicm 1483: gcp->us != last.us ||
1.421 nicm 1484: gcp->link != last.link ||
1.315 nicm 1485: ux + width + gcp->data.width > nx ||
1.298 nicm 1486: (sizeof buf) - len < gcp->data.size)) {
1.421 nicm 1487: tty_attributes(tty, &last, defaults, palette,
1488: s->hyperlinks);
1.315 nicm 1489: if (last.flags & GRID_FLAG_CLEARED) {
1490: log_debug("%s: %zu cleared", __func__, len);
1.373 nicm 1491: tty_clear_line(tty, defaults, aty, atx + ux,
1492: width, last.bg);
1.315 nicm 1493: } else {
1.329 nicm 1494: if (!wrapped || atx != 0 || ux != 0)
1495: tty_cursor(tty, atx + ux, aty);
1.315 nicm 1496: tty_putn(tty, buf, len, width);
1497: }
1.292 nicm 1498: ux += width;
1.250 nicm 1499:
1500: len = 0;
1501: width = 0;
1.329 nicm 1502: wrapped = 0;
1.250 nicm 1503: }
1504:
1.298 nicm 1505: if (gcp->flags & GRID_FLAG_SELECTED)
1.299 nicm 1506: screen_select_cell(s, &last, gcp);
1.250 nicm 1507: else
1.299 nicm 1508: memcpy(&last, gcp, sizeof last);
1.395 nicm 1509:
1.406 nicm 1510: tty_check_overlay_range(tty, atx + ux, aty, gcp->data.width,
1511: &r);
1.395 nicm 1512: hidden = 0;
1.406 nicm 1513: for (j = 0; j < OVERLAY_MAX_RANGES; j++)
1514: hidden += r.nx[j];
1515: hidden = gcp->data.width - hidden;
1.396 nicm 1516: if (hidden != 0 && hidden == gcp->data.width) {
1517: if (~gcp->flags & GRID_FLAG_PADDING)
1518: ux += gcp->data.width;
1519: } else if (hidden != 0 || ux + gcp->data.width > nx) {
1.395 nicm 1520: if (~gcp->flags & GRID_FLAG_PADDING) {
1.421 nicm 1521: tty_attributes(tty, &last, defaults, palette,
1522: s->hyperlinks);
1.406 nicm 1523: for (j = 0; j < OVERLAY_MAX_RANGES; j++) {
1524: if (r.nx[j] == 0)
1525: continue;
1526: /* Effective width drawn so far. */
1527: eux = r.px[j] - atx;
1528: if (eux < nx) {
1529: tty_cursor(tty, r.px[j], aty);
1530: nxx = nx - eux;
1531: if (r.nx[j] > nxx)
1532: r.nx[j] = nxx;
1533: tty_repeat_space(tty, r.nx[j]);
1534: ux = eux + r.nx[j];
1.397 nicm 1535: }
1.395 nicm 1536: }
1.297 nicm 1537: }
1.299 nicm 1538: } else if (gcp->attr & GRID_ATTR_CHARSET) {
1.421 nicm 1539: tty_attributes(tty, &last, defaults, palette,
1540: s->hyperlinks);
1.315 nicm 1541: tty_cursor(tty, atx + ux, aty);
1.299 nicm 1542: for (j = 0; j < gcp->data.size; j++)
1543: tty_putc(tty, gcp->data.data[j]);
1.346 nicm 1544: ux += gcp->data.width;
1.381 nicm 1545: } else if (~gcp->flags & GRID_FLAG_PADDING) {
1.298 nicm 1546: memcpy(buf + len, gcp->data.data, gcp->data.size);
1547: len += gcp->data.size;
1548: width += gcp->data.width;
1.250 nicm 1549: }
1550: }
1.315 nicm 1551: if (len != 0 && ((~last.flags & GRID_FLAG_CLEARED) || last.bg != 8)) {
1.421 nicm 1552: tty_attributes(tty, &last, defaults, palette, s->hyperlinks);
1.315 nicm 1553: if (last.flags & GRID_FLAG_CLEARED) {
1554: log_debug("%s: %zu cleared (end)", __func__, len);
1.373 nicm 1555: tty_clear_line(tty, defaults, aty, atx + ux, width,
1556: last.bg);
1.315 nicm 1557: } else {
1.329 nicm 1558: if (!wrapped || atx != 0 || ux != 0)
1559: tty_cursor(tty, atx + ux, aty);
1.291 nicm 1560: tty_putn(tty, buf, len, width);
1561: }
1.315 nicm 1562: ux += width;
1.1 nicm 1563: }
1564:
1.309 nicm 1565: if (!cleared && ux < nx) {
1.315 nicm 1566: log_debug("%s: %u to end of line (%zu cleared)", __func__,
1567: nx - ux, len);
1.421 nicm 1568: tty_default_attributes(tty, defaults, palette, 8,
1569: s->hyperlinks);
1.373 nicm 1570: tty_clear_line(tty, defaults, aty, atx + ux, nx - ux, 8);
1.35 nicm 1571: }
1.1 nicm 1572:
1.181 nicm 1573: tty->flags = (tty->flags & ~TTY_NOCURSOR) | flags;
1.107 nicm 1574: tty_update_mode(tty, tty->mode, s);
1.15 nicm 1575: }
1576:
1.348 nicm 1577: void
1578: tty_sync_start(struct tty *tty)
1579: {
1.361 nicm 1580: if (tty->flags & TTY_BLOCK)
1581: return;
1582: if (tty->flags & TTY_SYNCING)
1583: return;
1584: tty->flags |= TTY_SYNCING;
1585:
1586: if (tty_term_has(tty->term, TTYC_SYNC)) {
1587: log_debug("%s sync start", tty->client->name);
1.360 nicm 1588: tty_putcode1(tty, TTYC_SYNC, 1);
1.357 nicm 1589: }
1.348 nicm 1590: }
1591:
1592: void
1593: tty_sync_end(struct tty *tty)
1594: {
1.361 nicm 1595: if (tty->flags & TTY_BLOCK)
1596: return;
1597: if (~tty->flags & TTY_SYNCING)
1598: return;
1599: tty->flags &= ~TTY_SYNCING;
1600:
1601: if (tty_term_has(tty->term, TTYC_SYNC)) {
1602: log_debug("%s sync end", tty->client->name);
1.360 nicm 1603: tty_putcode1(tty, TTYC_SYNC, 2);
1.357 nicm 1604: }
1.348 nicm 1605: }
1606:
1.201 nicm 1607: static int
1.428 ! nicm 1608: tty_client_ready(const struct tty_ctx *ctx, struct client *c)
1.182 nicm 1609: {
1610: if (c->session == NULL || c->tty.term == NULL)
1611: return (0);
1.428 ! nicm 1612: if (c->flags & CLIENT_SUSPENDED)
! 1613: return (0);
! 1614:
! 1615: /*
! 1616: * If invisible panes are allowed (used for passthrough), don't care if
! 1617: * redrawing or frozen.
! 1618: */
! 1619: if (ctx->allow_invisible_panes)
! 1620: return (1);
! 1621:
! 1622: if (c->flags & CLIENT_REDRAWWINDOW)
1.182 nicm 1623: return (0);
1624: if (c->tty.flags & TTY_FREEZE)
1625: return (0);
1626: return (1);
1627: }
1628:
1.15 nicm 1629: void
1.182 nicm 1630: tty_write(void (*cmdfn)(struct tty *, const struct tty_ctx *),
1631: struct tty_ctx *ctx)
1.15 nicm 1632: {
1.373 nicm 1633: struct client *c;
1634: int state;
1.15 nicm 1635:
1.373 nicm 1636: if (ctx->set_client_cb == NULL)
1.15 nicm 1637: return;
1.178 nicm 1638: TAILQ_FOREACH(c, &clients, entry) {
1.428 ! nicm 1639: if (tty_client_ready(ctx, c)) {
1.423 nicm 1640: state = ctx->set_client_cb(ctx, c);
1641: if (state == -1)
1642: break;
1643: if (state == 0)
1644: continue;
1.428 ! nicm 1645: cmdfn(&c->tty, ctx);
1.423 nicm 1646: }
1.1 nicm 1647: }
1648: }
1649:
1650: void
1.24 nicm 1651: tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1652: {
1.394 nicm 1653: struct client *c = tty->client;
1654:
1.309 nicm 1655: if (ctx->bigger ||
1.372 nicm 1656: !tty_full_width(tty, ctx) ||
1.373 nicm 1657: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.210 nicm 1658: (!tty_term_has(tty->term, TTYC_ICH) &&
1.394 nicm 1659: !tty_term_has(tty->term, TTYC_ICH1)) ||
1660: c->overlay_check != NULL) {
1.309 nicm 1661: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1662: return;
1663: }
1664:
1.421 nicm 1665: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1666: ctx->s->hyperlinks);
1.1 nicm 1667:
1.77 nicm 1668: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1669:
1.206 nicm 1670: tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ctx->num);
1.1 nicm 1671: }
1672:
1673: void
1.24 nicm 1674: tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1675: {
1.394 nicm 1676: struct client *c = tty->client;
1677:
1.309 nicm 1678: if (ctx->bigger ||
1.372 nicm 1679: !tty_full_width(tty, ctx) ||
1.373 nicm 1680: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.26 nicm 1681: (!tty_term_has(tty->term, TTYC_DCH) &&
1.394 nicm 1682: !tty_term_has(tty->term, TTYC_DCH1)) ||
1683: c->overlay_check != NULL) {
1.309 nicm 1684: tty_draw_pane(tty, ctx, ctx->ocy);
1.1 nicm 1685: return;
1686: }
1687:
1.421 nicm 1688: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1689: ctx->s->hyperlinks);
1.1 nicm 1690:
1.77 nicm 1691: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.41 nicm 1692:
1.206 nicm 1693: tty_emulate_repeat(tty, TTYC_DCH, TTYC_DCH1, ctx->num);
1.146 nicm 1694: }
1695:
1696: void
1697: tty_cmd_clearcharacter(struct tty *tty, const struct tty_ctx *ctx)
1698: {
1.421 nicm 1699: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1700: ctx->s->hyperlinks);
1.146 nicm 1701:
1.388 nicm 1702: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, ctx->num, ctx->bg);
1.1 nicm 1703: }
1704:
1705: void
1.24 nicm 1706: tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1707: {
1.394 nicm 1708: struct client *c = tty->client;
1709:
1.309 nicm 1710: if (ctx->bigger ||
1.372 nicm 1711: !tty_full_width(tty, ctx) ||
1.373 nicm 1712: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.77 nicm 1713: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1714: !tty_term_has(tty->term, TTYC_IL1) ||
1.373 nicm 1715: ctx->sx == 1 ||
1.394 nicm 1716: ctx->sy == 1 ||
1717: c->overlay_check != NULL) {
1.14 nicm 1718: tty_redraw_region(tty, ctx);
1.1 nicm 1719: return;
1720: }
1721:
1.421 nicm 1722: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1723: ctx->s->hyperlinks);
1.1 nicm 1724:
1.77 nicm 1725: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1726: tty_margin_off(tty);
1.77 nicm 1727: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1728:
1.12 nicm 1729: tty_emulate_repeat(tty, TTYC_IL, TTYC_IL1, ctx->num);
1.279 nicm 1730: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1731: }
1732:
1733: void
1.24 nicm 1734: tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1735: {
1.394 nicm 1736: struct client *c = tty->client;
1737:
1.309 nicm 1738: if (ctx->bigger ||
1.372 nicm 1739: !tty_full_width(tty, ctx) ||
1.373 nicm 1740: tty_fake_bce(tty, &ctx->defaults, ctx->bg) ||
1.72 nicm 1741: !tty_term_has(tty->term, TTYC_CSR) ||
1.307 nicm 1742: !tty_term_has(tty->term, TTYC_DL1) ||
1.373 nicm 1743: ctx->sx == 1 ||
1.394 nicm 1744: ctx->sy == 1 ||
1745: c->overlay_check != NULL) {
1.14 nicm 1746: tty_redraw_region(tty, ctx);
1.1 nicm 1747: return;
1748: }
1749:
1.421 nicm 1750: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1751: ctx->s->hyperlinks);
1.1 nicm 1752:
1.77 nicm 1753: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.214 nicm 1754: tty_margin_off(tty);
1.77 nicm 1755: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 1756:
1.12 nicm 1757: tty_emulate_repeat(tty, TTYC_DL, TTYC_DL1, ctx->num);
1.279 nicm 1758: tty->cx = tty->cy = UINT_MAX;
1.1 nicm 1759: }
1760:
1761: void
1.24 nicm 1762: tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1763: {
1.421 nicm 1764: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1765: ctx->s->hyperlinks);
1.1 nicm 1766:
1.372 nicm 1767: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->sx, ctx->bg);
1.1 nicm 1768: }
1769:
1770: void
1.24 nicm 1771: tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1772: {
1.373 nicm 1773: u_int nx = ctx->sx - ctx->ocx;
1.1 nicm 1774:
1.421 nicm 1775: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1776: ctx->s->hyperlinks);
1.1 nicm 1777:
1.309 nicm 1778: tty_clear_pane_line(tty, ctx, ctx->ocy, ctx->ocx, nx, ctx->bg);
1.1 nicm 1779: }
1780:
1781: void
1.24 nicm 1782: tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1783: {
1.421 nicm 1784: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1785: ctx->s->hyperlinks);
1.1 nicm 1786:
1.309 nicm 1787: tty_clear_pane_line(tty, ctx, ctx->ocy, 0, ctx->ocx + 1, ctx->bg);
1.1 nicm 1788: }
1789:
1790: void
1.24 nicm 1791: tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1792: {
1.394 nicm 1793: struct client *c = tty->client;
1794:
1.56 nicm 1795: if (ctx->ocy != ctx->orupper)
1796: return;
1797:
1.309 nicm 1798: if (ctx->bigger ||
1.372 nicm 1799: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1800: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.70 nicm 1801: !tty_term_has(tty->term, TTYC_CSR) ||
1.331 nicm 1802: (!tty_term_has(tty->term, TTYC_RI) &&
1803: !tty_term_has(tty->term, TTYC_RIN)) ||
1.373 nicm 1804: ctx->sx == 1 ||
1.394 nicm 1805: ctx->sy == 1 ||
1806: c->overlay_check != NULL) {
1.14 nicm 1807: tty_redraw_region(tty, ctx);
1.1 nicm 1808: return;
1809: }
1810:
1.421 nicm 1811: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1812: ctx->s->hyperlinks);
1.77 nicm 1813:
1.56 nicm 1814: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.331 nicm 1815: tty_margin_pane(tty, ctx);
1.56 nicm 1816: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1.77 nicm 1817:
1.331 nicm 1818: if (tty_term_has(tty->term, TTYC_RI))
1819: tty_putcode(tty, TTYC_RI);
1820: else
1821: tty_putcode1(tty, TTYC_RIN, 1);
1.1 nicm 1822: }
1823:
1824: void
1.24 nicm 1825: tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1826: {
1.394 nicm 1827: struct client *c = tty->client;
1828:
1.56 nicm 1829: if (ctx->ocy != ctx->orlower)
1830: return;
1831:
1.309 nicm 1832: if (ctx->bigger ||
1.372 nicm 1833: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1834: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.307 nicm 1835: !tty_term_has(tty->term, TTYC_CSR) ||
1.373 nicm 1836: ctx->sx == 1 ||
1.394 nicm 1837: ctx->sy == 1 ||
1838: c->overlay_check != NULL) {
1.236 nicm 1839: tty_redraw_region(tty, ctx);
1.1 nicm 1840: return;
1841: }
1.52 nicm 1842:
1.421 nicm 1843: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1844: ctx->s->hyperlinks);
1.77 nicm 1845:
1.56 nicm 1846: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.212 nicm 1847: tty_margin_pane(tty, ctx);
1848:
1849: /*
1.301 nicm 1850: * If we want to wrap a pane while using margins, the cursor needs to
1851: * be exactly on the right of the region. If the cursor is entirely off
1852: * the edge - move it back to the right. Some terminals are funny about
1853: * this and insert extra spaces, so only use the right if margins are
1854: * enabled.
1.212 nicm 1855: */
1.301 nicm 1856: if (ctx->xoff + ctx->ocx > tty->rright) {
1857: if (!tty_use_margin(tty))
1858: tty_cursor(tty, 0, ctx->yoff + ctx->ocy);
1859: else
1860: tty_cursor(tty, tty->rright, ctx->yoff + ctx->ocy);
1861: } else
1.212 nicm 1862: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
1.77 nicm 1863:
1.56 nicm 1864: tty_putc(tty, '\n');
1.240 nicm 1865: }
1866:
1867: void
1868: tty_cmd_scrollup(struct tty *tty, const struct tty_ctx *ctx)
1869: {
1.394 nicm 1870: struct client *c = tty->client;
1871: u_int i;
1.240 nicm 1872:
1.309 nicm 1873: if (ctx->bigger ||
1.372 nicm 1874: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1875: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.307 nicm 1876: !tty_term_has(tty->term, TTYC_CSR) ||
1.373 nicm 1877: ctx->sx == 1 ||
1.394 nicm 1878: ctx->sy == 1 ||
1879: c->overlay_check != NULL) {
1.240 nicm 1880: tty_redraw_region(tty, ctx);
1881: return;
1882: }
1883:
1.421 nicm 1884: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1885: ctx->s->hyperlinks);
1.240 nicm 1886:
1887: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1888: tty_margin_pane(tty, ctx);
1889:
1.284 nicm 1890: if (ctx->num == 1 || !tty_term_has(tty->term, TTYC_INDN)) {
1.301 nicm 1891: if (!tty_use_margin(tty))
1892: tty_cursor(tty, 0, tty->rlower);
1893: else
1894: tty_cursor(tty, tty->rright, tty->rlower);
1.284 nicm 1895: for (i = 0; i < ctx->num; i++)
1.240 nicm 1896: tty_putc(tty, '\n');
1.301 nicm 1897: } else {
1.353 nicm 1898: if (tty->cy == UINT_MAX)
1899: tty_cursor(tty, 0, 0);
1900: else
1901: tty_cursor(tty, 0, tty->cy);
1.284 nicm 1902: tty_putcode1(tty, TTYC_INDN, ctx->num);
1.331 nicm 1903: }
1904: }
1905:
1906: void
1907: tty_cmd_scrolldown(struct tty *tty, const struct tty_ctx *ctx)
1908: {
1.394 nicm 1909: u_int i;
1910: struct client *c = tty->client;
1.331 nicm 1911:
1912: if (ctx->bigger ||
1.372 nicm 1913: (!tty_full_width(tty, ctx) && !tty_use_margin(tty)) ||
1.373 nicm 1914: tty_fake_bce(tty, &ctx->defaults, 8) ||
1.331 nicm 1915: !tty_term_has(tty->term, TTYC_CSR) ||
1916: (!tty_term_has(tty->term, TTYC_RI) &&
1917: !tty_term_has(tty->term, TTYC_RIN)) ||
1.373 nicm 1918: ctx->sx == 1 ||
1.394 nicm 1919: ctx->sy == 1 ||
1920: c->overlay_check != NULL) {
1.331 nicm 1921: tty_redraw_region(tty, ctx);
1922: return;
1923: }
1924:
1.421 nicm 1925: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1926: ctx->s->hyperlinks);
1.331 nicm 1927:
1928: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1929: tty_margin_pane(tty, ctx);
1930: tty_cursor_pane(tty, ctx, ctx->ocx, ctx->orupper);
1931:
1932: if (tty_term_has(tty->term, TTYC_RIN))
1933: tty_putcode1(tty, TTYC_RIN, ctx->num);
1934: else {
1935: for (i = 0; i < ctx->num; i++)
1936: tty_putcode(tty, TTYC_RI);
1.301 nicm 1937: }
1.1 nicm 1938: }
1939:
1940: void
1.24 nicm 1941: tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1942: {
1.373 nicm 1943: u_int px, py, nx, ny;
1.1 nicm 1944:
1.421 nicm 1945: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1946: ctx->s->hyperlinks);
1.1 nicm 1947:
1.372 nicm 1948: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1949: tty_margin_off(tty);
1.39 nicm 1950:
1.309 nicm 1951: px = 0;
1.372 nicm 1952: nx = ctx->sx;
1.309 nicm 1953: py = ctx->ocy + 1;
1.372 nicm 1954: ny = ctx->sy - ctx->ocy - 1;
1.271 nicm 1955:
1.309 nicm 1956: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1957:
1.309 nicm 1958: px = ctx->ocx;
1.372 nicm 1959: nx = ctx->sx - ctx->ocx;
1.309 nicm 1960: py = ctx->ocy;
1.271 nicm 1961:
1.309 nicm 1962: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1963: }
1964:
1965: void
1.24 nicm 1966: tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1967: {
1.373 nicm 1968: u_int px, py, nx, ny;
1.1 nicm 1969:
1.421 nicm 1970: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1971: ctx->s->hyperlinks);
1.1 nicm 1972:
1.372 nicm 1973: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1974: tty_margin_off(tty);
1.39 nicm 1975:
1.309 nicm 1976: px = 0;
1.372 nicm 1977: nx = ctx->sx;
1.309 nicm 1978: py = 0;
1.319 nicm 1979: ny = ctx->ocy;
1.271 nicm 1980:
1.309 nicm 1981: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.271 nicm 1982:
1.309 nicm 1983: px = 0;
1.271 nicm 1984: nx = ctx->ocx + 1;
1.309 nicm 1985: py = ctx->ocy;
1.271 nicm 1986:
1.309 nicm 1987: tty_clear_pane_line(tty, ctx, py, px, nx, ctx->bg);
1.1 nicm 1988: }
1989:
1990: void
1.24 nicm 1991: tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 1992: {
1.373 nicm 1993: u_int px, py, nx, ny;
1.1 nicm 1994:
1.421 nicm 1995: tty_default_attributes(tty, &ctx->defaults, ctx->palette, ctx->bg,
1996: ctx->s->hyperlinks);
1.1 nicm 1997:
1.372 nicm 1998: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 1999: tty_margin_off(tty);
1.39 nicm 2000:
1.309 nicm 2001: px = 0;
1.372 nicm 2002: nx = ctx->sx;
1.309 nicm 2003: py = 0;
1.372 nicm 2004: ny = ctx->sy;
1.271 nicm 2005:
1.309 nicm 2006: tty_clear_pane_area(tty, ctx, py, ny, px, nx, ctx->bg);
1.4 nicm 2007: }
2008:
2009: void
1.24 nicm 2010: tty_cmd_alignmenttest(struct tty *tty, const struct tty_ctx *ctx)
1.4 nicm 2011: {
1.373 nicm 2012: u_int i, j;
1.4 nicm 2013:
1.309 nicm 2014: if (ctx->bigger) {
1.373 nicm 2015: ctx->redraw_cb(ctx);
1.309 nicm 2016: return;
2017: }
2018:
1.421 nicm 2019: tty_attributes(tty, &grid_default_cell, &ctx->defaults, ctx->palette,
2020: ctx->s->hyperlinks);
1.4 nicm 2021:
1.372 nicm 2022: tty_region_pane(tty, ctx, 0, ctx->sy - 1);
1.214 nicm 2023: tty_margin_off(tty);
1.4 nicm 2024:
1.372 nicm 2025: for (j = 0; j < ctx->sy; j++) {
1.41 nicm 2026: tty_cursor_pane(tty, ctx, 0, j);
1.372 nicm 2027: for (i = 0; i < ctx->sx; i++)
1.4 nicm 2028: tty_putc(tty, 'E');
1.1 nicm 2029: }
2030: }
2031:
2032: void
1.24 nicm 2033: tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
1.1 nicm 2034: {
1.394 nicm 2035: const struct grid_cell *gcp = ctx->cell;
2036: struct screen *s = ctx->s;
1.406 nicm 2037: struct overlay_ranges r;
2038: u_int px, py, i, vis = 0;
1.394 nicm 2039:
2040: px = ctx->xoff + ctx->ocx - ctx->wox;
2041: py = ctx->yoff + ctx->ocy - ctx->woy;
2042: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, 1, 1) ||
2043: (gcp->data.width == 1 && !tty_check_overlay(tty, px, py)))
2044: return;
2045:
2046: /* Handle partially obstructed wide characters. */
2047: if (gcp->data.width > 1) {
1.406 nicm 2048: tty_check_overlay_range(tty, px, py, gcp->data.width, &r);
2049: for (i = 0; i < OVERLAY_MAX_RANGES; i++)
2050: vis += r.nx[i];
2051: if (vis < gcp->data.width) {
1.408 nicm 2052: tty_draw_line(tty, s, s->cx, s->cy, gcp->data.width,
2053: px, py, &ctx->defaults, ctx->palette);
2054: return;
1.394 nicm 2055: }
2056: }
1.309 nicm 2057:
1.372 nicm 2058: if (ctx->xoff + ctx->ocx - ctx->wox > tty->sx - 1 &&
1.306 nicm 2059: ctx->ocy == ctx->orlower &&
1.372 nicm 2060: tty_full_width(tty, ctx))
1.306 nicm 2061: tty_region_pane(tty, ctx, ctx->orupper, ctx->orlower);
1.46 nicm 2062:
1.306 nicm 2063: tty_margin_off(tty);
1.253 nicm 2064: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.1 nicm 2065:
1.421 nicm 2066: tty_cell(tty, ctx->cell, &ctx->defaults, ctx->palette,
2067: ctx->s->hyperlinks);
1.239 nicm 2068: }
2069:
2070: void
2071: tty_cmd_cells(struct tty *tty, const struct tty_ctx *ctx)
2072: {
1.407 nicm 2073: struct overlay_ranges r;
2074: u_int i, px, py, cx;
2075: char *cp = ctx->ptr;
1.394 nicm 2076:
1.309 nicm 2077: if (!tty_is_visible(tty, ctx, ctx->ocx, ctx->ocy, ctx->num, 1))
2078: return;
2079:
2080: if (ctx->bigger &&
1.372 nicm 2081: (ctx->xoff + ctx->ocx < ctx->wox ||
2082: ctx->xoff + ctx->ocx + ctx->num > ctx->wox + ctx->wsx)) {
1.309 nicm 2083: if (!ctx->wrapped ||
1.372 nicm 2084: !tty_full_width(tty, ctx) ||
1.382 nicm 2085: (tty->term->flags & TERM_NOAM) ||
1.309 nicm 2086: ctx->xoff + ctx->ocx != 0 ||
2087: ctx->yoff + ctx->ocy != tty->cy + 1 ||
2088: tty->cx < tty->sx ||
2089: tty->cy == tty->rlower)
2090: tty_draw_pane(tty, ctx, ctx->ocy);
2091: else
1.373 nicm 2092: ctx->redraw_cb(ctx);
1.309 nicm 2093: return;
2094: }
2095:
1.306 nicm 2096: tty_margin_off(tty);
1.253 nicm 2097: tty_cursor_pane_unless_wrap(tty, ctx, ctx->ocx, ctx->ocy);
1.421 nicm 2098: tty_attributes(tty, ctx->cell, &ctx->defaults, ctx->palette, ctx->s->hyperlinks);
1.239 nicm 2099:
1.407 nicm 2100: /* Get tty position from pane position for overlay check. */
2101: px = ctx->xoff + ctx->ocx - ctx->wox;
2102: py = ctx->yoff + ctx->ocy - ctx->woy;
2103:
2104: tty_check_overlay_range(tty, px, py, ctx->num, &r);
1.406 nicm 2105: for (i = 0; i < OVERLAY_MAX_RANGES; i++) {
2106: if (r.nx[i] == 0)
2107: continue;
1.407 nicm 2108: /* Convert back to pane position for printing. */
2109: cx = r.px[i] - ctx->xoff + ctx->wox;
2110: tty_cursor_pane_unless_wrap(tty, ctx, cx, ctx->ocy);
2111: tty_putn(tty, cp + r.px[i] - px, r.nx[i], r.nx[i]);
1.394 nicm 2112: }
1.106 nicm 2113: }
2114:
2115: void
2116: tty_cmd_setselection(struct tty *tty, const struct tty_ctx *ctx)
2117: {
1.420 nicm 2118: tty_set_selection(tty, ctx->ptr2, ctx->ptr, ctx->num);
1.383 nicm 2119: }
2120:
2121: void
1.420 nicm 2122: tty_set_selection(struct tty *tty, const char *flags, const char *buf,
2123: size_t len)
1.383 nicm 2124: {
2125: char *encoded;
2126: size_t size;
1.106 nicm 2127:
1.384 nicm 2128: if (~tty->flags & TTY_STARTED)
2129: return;
1.106 nicm 2130: if (!tty_term_has(tty->term, TTYC_MS))
1.383 nicm 2131: return;
1.106 nicm 2132:
1.383 nicm 2133: size = 4 * ((len + 2) / 3) + 1; /* storage for base64 */
2134: encoded = xmalloc(size);
1.106 nicm 2135:
1.383 nicm 2136: b64_ntop(buf, len, encoded, size);
1.414 nicm 2137: tty->flags |= TTY_NOBLOCK;
1.420 nicm 2138: tty_putcode_ptr2(tty, TTYC_MS, flags, encoded);
1.106 nicm 2139:
1.383 nicm 2140: free(encoded);
1.100 nicm 2141: }
2142:
2143: void
2144: tty_cmd_rawstring(struct tty *tty, const struct tty_ctx *ctx)
2145: {
1.414 nicm 2146: tty->flags |= TTY_NOBLOCK;
1.256 nicm 2147: tty_add(tty, ctx->ptr, ctx->num);
1.242 nicm 2148: tty_invalidate(tty);
1.348 nicm 2149: }
2150:
2151: void
1.402 nicm 2152: tty_cmd_syncstart(struct tty *tty, const struct tty_ctx *ctx)
1.348 nicm 2153: {
1.402 nicm 2154: if (ctx->num == 0x11) {
2155: /*
1.403 nicm 2156: * This is an overlay and a command that moves the cursor so
1.402 nicm 2157: * start synchronized updates.
2158: */
2159: tty_sync_start(tty);
2160: } else if (~ctx->num & 0x10) {
2161: /*
2162: * This is a pane. If there is an overlay, always start;
2163: * otherwise, only if requested.
2164: */
2165: if (ctx->num || tty->client->overlay_draw != NULL)
2166: tty_sync_start(tty);
2167: }
1.1 nicm 2168: }
2169:
1.377 nicm 2170: void
1.373 nicm 2171: tty_cell(struct tty *tty, const struct grid_cell *gc,
1.421 nicm 2172: const struct grid_cell *defaults, struct colour_palette *palette,
2173: struct hyperlinks *hl)
1.1 nicm 2174: {
1.298 nicm 2175: const struct grid_cell *gcp;
1.1 nicm 2176:
2177: /* Skip last character if terminal is stupid. */
1.382 nicm 2178: if ((tty->term->flags & TERM_NOAM) &&
1.211 nicm 2179: tty->cy == tty->sy - 1 &&
2180: tty->cx == tty->sx - 1)
1.1 nicm 2181: return;
2182:
2183: /* If this is a padding character, do nothing. */
2184: if (gc->flags & GRID_FLAG_PADDING)
2185: return;
2186:
1.377 nicm 2187: /* Check the output codeset and apply attributes. */
2188: gcp = tty_check_codeset(tty, gc);
1.421 nicm 2189: tty_attributes(tty, gcp, defaults, palette, hl);
1.1 nicm 2190:
1.377 nicm 2191: /* If it is a single character, write with putc to handle ACS. */
1.298 nicm 2192: if (gcp->data.size == 1) {
1.421 nicm 2193: tty_attributes(tty, gcp, defaults, palette, hl);
1.298 nicm 2194: if (*gcp->data.data < 0x20 || *gcp->data.data == 0x7f)
1.1 nicm 2195: return;
1.298 nicm 2196: tty_putc(tty, *gcp->data.data);
1.1 nicm 2197: return;
2198: }
2199:
1.147 nicm 2200: /* Write the data. */
1.298 nicm 2201: tty_putn(tty, gcp->data.data, gcp->data.size, gcp->data.width);
1.1 nicm 2202: }
2203:
2204: void
2205: tty_reset(struct tty *tty)
2206: {
2207: struct grid_cell *gc = &tty->cell;
2208:
1.228 nicm 2209: if (!grid_cells_equal(gc, &grid_default_cell)) {
1.421 nicm 2210: if (gc->link != 0)
2211: tty_putcode_ptr2(tty, TTYC_HLS, "", "");
1.285 nicm 2212: if ((gc->attr & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.228 nicm 2213: tty_putcode(tty, TTYC_RMACS);
2214: tty_putcode(tty, TTYC_SGR0);
2215: memcpy(gc, &grid_default_cell, sizeof *gc);
2216: }
2217: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
1.242 nicm 2218: }
2219:
2220: static void
2221: tty_invalidate(struct tty *tty)
2222: {
2223: memcpy(&tty->cell, &grid_default_cell, sizeof tty->cell);
2224: memcpy(&tty->last_cell, &grid_default_cell, sizeof tty->last_cell);
2225:
2226: tty->cx = tty->cy = UINT_MAX;
2227: tty->rupper = tty->rleft = UINT_MAX;
2228: tty->rlower = tty->rright = UINT_MAX;
2229:
2230: if (tty->flags & TTY_STARTED) {
1.330 nicm 2231: if (tty_use_margin(tty))
1.365 nicm 2232: tty_putcode(tty, TTYC_ENMG);
1.242 nicm 2233: tty_putcode(tty, TTYC_SGR0);
2234:
2235: tty->mode = ALL_MODES;
2236: tty_update_mode(tty, MODE_CURSOR, NULL);
2237:
2238: tty_cursor(tty, 0, 0);
2239: tty_region_off(tty);
2240: tty_margin_off(tty);
2241: } else
2242: tty->mode = MODE_CURSOR;
1.1 nicm 2243: }
2244:
1.214 nicm 2245: /* Turn off margin. */
2246: void
2247: tty_region_off(struct tty *tty)
2248: {
2249: tty_region(tty, 0, tty->sy - 1);
2250: }
2251:
1.40 nicm 2252: /* Set region inside pane. */
1.208 nicm 2253: static void
1.196 nicm 2254: tty_region_pane(struct tty *tty, const struct tty_ctx *ctx, u_int rupper,
2255: u_int rlower)
1.1 nicm 2256: {
1.372 nicm 2257: tty_region(tty, ctx->yoff + rupper - ctx->woy,
2258: ctx->yoff + rlower - ctx->woy);
1.39 nicm 2259: }
2260:
1.40 nicm 2261: /* Set region at absolute position. */
1.214 nicm 2262: static void
1.40 nicm 2263: tty_region(struct tty *tty, u_int rupper, u_int rlower)
1.39 nicm 2264: {
2265: if (tty->rlower == rlower && tty->rupper == rupper)
2266: return;
1.1 nicm 2267: if (!tty_term_has(tty->term, TTYC_CSR))
2268: return;
1.39 nicm 2269:
2270: tty->rupper = rupper;
2271: tty->rlower = rlower;
1.55 nicm 2272:
2273: /*
2274: * Some terminals (such as PuTTY) do not correctly reset the cursor to
2275: * 0,0 if it is beyond the last column (they do not reset their wrap
2276: * flag so further output causes a line feed). As a workaround, do an
2277: * explicit move to 0 first.
2278: */
1.353 nicm 2279: if (tty->cx >= tty->sx) {
2280: if (tty->cy == UINT_MAX)
2281: tty_cursor(tty, 0, 0);
2282: else
2283: tty_cursor(tty, 0, tty->cy);
2284: }
1.42 nicm 2285:
1.39 nicm 2286: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.249 nicm 2287: tty->cx = tty->cy = UINT_MAX;
1.212 nicm 2288: }
2289:
1.214 nicm 2290: /* Turn off margin. */
2291: void
2292: tty_margin_off(struct tty *tty)
2293: {
2294: tty_margin(tty, 0, tty->sx - 1);
2295: }
2296:
1.212 nicm 2297: /* Set margin inside pane. */
2298: static void
2299: tty_margin_pane(struct tty *tty, const struct tty_ctx *ctx)
2300: {
1.372 nicm 2301: tty_margin(tty, ctx->xoff - ctx->wox,
1.373 nicm 2302: ctx->xoff + ctx->sx - 1 - ctx->wox);
1.212 nicm 2303: }
2304:
2305: /* Set margin at absolute position. */
1.214 nicm 2306: static void
1.212 nicm 2307: tty_margin(struct tty *tty, u_int rleft, u_int rright)
2308: {
2309: if (!tty_use_margin(tty))
2310: return;
2311: if (tty->rleft == rleft && tty->rright == rright)
2312: return;
2313:
1.232 nicm 2314: tty_putcode2(tty, TTYC_CSR, tty->rupper, tty->rlower);
1.231 nicm 2315:
1.212 nicm 2316: tty->rleft = rleft;
2317: tty->rright = rright;
2318:
1.232 nicm 2319: if (rleft == 0 && rright == tty->sx - 1)
1.365 nicm 2320: tty_putcode(tty, TTYC_CLMG);
1.232 nicm 2321: else
1.365 nicm 2322: tty_putcode2(tty, TTYC_CMG, rleft, rright);
1.249 nicm 2323: tty->cx = tty->cy = UINT_MAX;
1.253 nicm 2324: }
2325:
2326: /*
2327: * Move the cursor, unless it would wrap itself when the next character is
2328: * printed.
2329: */
2330: static void
2331: tty_cursor_pane_unless_wrap(struct tty *tty, const struct tty_ctx *ctx,
2332: u_int cx, u_int cy)
2333: {
1.268 nicm 2334: if (!ctx->wrapped ||
1.372 nicm 2335: !tty_full_width(tty, ctx) ||
1.382 nicm 2336: (tty->term->flags & TERM_NOAM) ||
1.253 nicm 2337: ctx->xoff + cx != 0 ||
2338: ctx->yoff + cy != tty->cy + 1 ||
1.254 nicm 2339: tty->cx < tty->sx ||
2340: tty->cy == tty->rlower)
1.253 nicm 2341: tty_cursor_pane(tty, ctx, cx, cy);
2342: else
2343: log_debug("%s: will wrap at %u,%u", __func__, tty->cx, tty->cy);
1.1 nicm 2344: }
2345:
1.42 nicm 2346: /* Move cursor inside pane. */
1.208 nicm 2347: static void
1.41 nicm 2348: tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
2349: {
1.372 nicm 2350: tty_cursor(tty, ctx->xoff + cx - ctx->wox, ctx->yoff + cy - ctx->woy);
1.41 nicm 2351: }
2352:
1.42 nicm 2353: /* Move cursor to absolute position. */
1.41 nicm 2354: void
2355: tty_cursor(struct tty *tty, u_int cx, u_int cy)
1.1 nicm 2356: {
1.42 nicm 2357: struct tty_term *term = tty->term;
2358: u_int thisx, thisy;
2359: int change;
1.354 nicm 2360:
2361: if (tty->flags & TTY_BLOCK)
2362: return;
1.77 nicm 2363:
1.42 nicm 2364: thisx = tty->cx;
2365: thisy = tty->cy;
2366:
1.409 nicm 2367: /*
2368: * If in the automargin space, and want to be there, do not move.
2369: * Otherwise, force the cursor to be in range (and complain).
2370: */
2371: if (cx == thisx && cy == thisy && cx == tty->sx)
2372: return;
2373: if (cx > tty->sx - 1) {
2374: log_debug("%s: x too big %u > %u", __func__, cx, tty->sx - 1);
2375: cx = tty->sx - 1;
2376: }
2377:
1.42 nicm 2378: /* No change. */
2379: if (cx == thisx && cy == thisy)
2380: return;
2381:
1.409 nicm 2382: /* Currently at the very end of the line - use absolute movement. */
1.43 nicm 2383: if (thisx > tty->sx - 1)
2384: goto absolute;
2385:
1.42 nicm 2386: /* Move to home position (0, 0). */
2387: if (cx == 0 && cy == 0 && tty_term_has(term, TTYC_HOME)) {
2388: tty_putcode(tty, TTYC_HOME);
2389: goto out;
2390: }
2391:
2392: /* Zero on the next line. */
1.293 nicm 2393: if (cx == 0 && cy == thisy + 1 && thisy != tty->rlower &&
2394: (!tty_use_margin(tty) || tty->rleft == 0)) {
1.1 nicm 2395: tty_putc(tty, '\r');
1.42 nicm 2396: tty_putc(tty, '\n');
2397: goto out;
2398: }
2399:
1.45 nicm 2400: /* Moving column or row. */
1.42 nicm 2401: if (cy == thisy) {
1.45 nicm 2402: /*
2403: * Moving column only, row staying the same.
2404: */
2405:
1.42 nicm 2406: /* To left edge. */
1.294 nicm 2407: if (cx == 0 && (!tty_use_margin(tty) || tty->rleft == 0)) {
1.42 nicm 2408: tty_putc(tty, '\r');
2409: goto out;
2410: }
2411:
2412: /* One to the left. */
2413: if (cx == thisx - 1 && tty_term_has(term, TTYC_CUB1)) {
2414: tty_putcode(tty, TTYC_CUB1);
2415: goto out;
2416: }
2417:
2418: /* One to the right. */
2419: if (cx == thisx + 1 && tty_term_has(term, TTYC_CUF1)) {
2420: tty_putcode(tty, TTYC_CUF1);
2421: goto out;
2422: }
2423:
2424: /* Calculate difference. */
2425: change = thisx - cx; /* +ve left, -ve right */
2426:
2427: /*
2428: * Use HPA if change is larger than absolute, otherwise move
2429: * the cursor with CUB/CUF.
2430: */
1.87 nicm 2431: if ((u_int) abs(change) > cx && tty_term_has(term, TTYC_HPA)) {
1.42 nicm 2432: tty_putcode1(tty, TTYC_HPA, cx);
2433: goto out;
1.333 nicm 2434: } else if (change > 0 &&
2435: tty_term_has(term, TTYC_CUB) &&
2436: !tty_use_margin(tty)) {
1.202 nicm 2437: if (change == 2 && tty_term_has(term, TTYC_CUB1)) {
2438: tty_putcode(tty, TTYC_CUB1);
2439: tty_putcode(tty, TTYC_CUB1);
2440: goto out;
2441: }
1.42 nicm 2442: tty_putcode1(tty, TTYC_CUB, change);
2443: goto out;
1.333 nicm 2444: } else if (change < 0 &&
2445: tty_term_has(term, TTYC_CUF) &&
2446: !tty_use_margin(tty)) {
1.42 nicm 2447: tty_putcode1(tty, TTYC_CUF, -change);
2448: goto out;
2449: }
1.45 nicm 2450: } else if (cx == thisx) {
2451: /*
2452: * Moving row only, column staying the same.
2453: */
1.42 nicm 2454:
2455: /* One above. */
1.77 nicm 2456: if (thisy != tty->rupper &&
1.42 nicm 2457: cy == thisy - 1 && tty_term_has(term, TTYC_CUU1)) {
2458: tty_putcode(tty, TTYC_CUU1);
2459: goto out;
2460: }
2461:
2462: /* One below. */
1.49 nicm 2463: if (thisy != tty->rlower &&
1.42 nicm 2464: cy == thisy + 1 && tty_term_has(term, TTYC_CUD1)) {
2465: tty_putcode(tty, TTYC_CUD1);
2466: goto out;
2467: }
2468:
2469: /* Calculate difference. */
2470: change = thisy - cy; /* +ve up, -ve down */
2471:
2472: /*
1.77 nicm 2473: * Try to use VPA if change is larger than absolute or if this
2474: * change would cross the scroll region, otherwise use CUU/CUD.
1.42 nicm 2475: */
1.87 nicm 2476: if ((u_int) abs(change) > cy ||
1.42 nicm 2477: (change < 0 && cy - change > tty->rlower) ||
1.44 nicm 2478: (change > 0 && cy - change < tty->rupper)) {
2479: if (tty_term_has(term, TTYC_VPA)) {
2480: tty_putcode1(tty, TTYC_VPA, cy);
2481: goto out;
2482: }
1.42 nicm 2483: } else if (change > 0 && tty_term_has(term, TTYC_CUU)) {
2484: tty_putcode1(tty, TTYC_CUU, change);
2485: goto out;
2486: } else if (change < 0 && tty_term_has(term, TTYC_CUD)) {
2487: tty_putcode1(tty, TTYC_CUD, -change);
2488: goto out;
2489: }
2490: }
2491:
1.43 nicm 2492: absolute:
1.42 nicm 2493: /* Absolute movement. */
2494: tty_putcode2(tty, TTYC_CUP, cy, cx);
2495:
2496: out:
2497: tty->cx = cx;
2498: tty->cy = cy;
1.1 nicm 2499: }
2500:
1.421 nicm 2501: static void
2502: tty_hyperlink(struct tty *tty, const struct grid_cell *gc,
2503: struct hyperlinks *hl)
2504: {
2505: const char *uri, *id;
2506:
2507: if (gc->link == tty->cell.link)
2508: return;
2509: tty->cell.link = gc->link;
2510:
2511: if (hl == NULL)
2512: return;
2513:
1.422 nicm 2514: if (gc->link == 0 || !hyperlinks_get(hl, gc->link, &uri, NULL, &id))
1.421 nicm 2515: tty_putcode_ptr2(tty, TTYC_HLS, "", "");
2516: else
2517: tty_putcode_ptr2(tty, TTYC_HLS, id, uri);
2518: }
2519:
1.1 nicm 2520: void
1.176 nicm 2521: tty_attributes(struct tty *tty, const struct grid_cell *gc,
1.421 nicm 2522: const struct grid_cell *defaults, struct colour_palette *palette,
2523: struct hyperlinks *hl)
1.1 nicm 2524: {
1.63 nicm 2525: struct grid_cell *tc = &tty->cell, gc2;
1.255 nicm 2526: int changed;
1.61 nicm 2527:
1.373 nicm 2528: /* Copy cell and update default colours. */
2529: memcpy(&gc2, gc, sizeof gc2);
1.399 nicm 2530: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2531: if (gc2.fg == 8)
2532: gc2.fg = defaults->fg;
2533: if (gc2.bg == 8)
2534: gc2.bg = defaults->bg;
2535: }
1.373 nicm 2536:
1.228 nicm 2537: /* Ignore cell if it is the same as the last one. */
1.373 nicm 2538: if (gc2.attr == tty->last_cell.attr &&
2539: gc2.fg == tty->last_cell.fg &&
2540: gc2.bg == tty->last_cell.bg &&
1.421 nicm 2541: gc2.us == tty->last_cell.us &&
2542: gc2.link == tty->last_cell.link)
1.228 nicm 2543: return;
1.63 nicm 2544:
1.18 nicm 2545: /*
2546: * If no setab, try to use the reverse attribute as a best-effort for a
2547: * non-default background. This is a bit of a hack but it doesn't do
2548: * any serious harm and makes a couple of applications happier.
2549: */
2550: if (!tty_term_has(tty->term, TTYC_SETAB)) {
1.85 nicm 2551: if (gc2.attr & GRID_ATTR_REVERSE) {
1.310 nicm 2552: if (gc2.fg != 7 && !COLOUR_DEFAULT(gc2.fg))
1.64 nicm 2553: gc2.attr &= ~GRID_ATTR_REVERSE;
1.18 nicm 2554: } else {
1.310 nicm 2555: if (gc2.bg != 0 && !COLOUR_DEFAULT(gc2.bg))
1.64 nicm 2556: gc2.attr |= GRID_ATTR_REVERSE;
1.18 nicm 2557: }
2558: }
1.1 nicm 2559:
1.85 nicm 2560: /* Fix up the colours if necessary. */
1.373 nicm 2561: tty_check_fg(tty, palette, &gc2);
2562: tty_check_bg(tty, palette, &gc2);
2563: tty_check_us(tty, palette, &gc2);
1.85 nicm 2564:
1.328 nicm 2565: /*
2566: * If any bits are being cleared or the underline colour is now default,
2567: * reset everything.
2568: */
2569: if ((tc->attr & ~gc2.attr) || (tc->us != gc2.us && gc2.us == 0))
1.64 nicm 2570: tty_reset(tty);
2571:
2572: /*
2573: * Set the colours. This may call tty_reset() (so it comes next) and
1.328 nicm 2574: * may add to (NOT remove) the desired attributes.
1.64 nicm 2575: */
1.85 nicm 2576: tty_colours(tty, &gc2);
1.64 nicm 2577:
1.1 nicm 2578: /* Filter out attribute bits already set. */
1.85 nicm 2579: changed = gc2.attr & ~tc->attr;
2580: tc->attr = gc2.attr;
1.1 nicm 2581:
2582: /* Set the attributes. */
2583: if (changed & GRID_ATTR_BRIGHT)
2584: tty_putcode(tty, TTYC_BOLD);
2585: if (changed & GRID_ATTR_DIM)
2586: tty_putcode(tty, TTYC_DIM);
1.180 nicm 2587: if (changed & GRID_ATTR_ITALICS)
2588: tty_set_italics(tty);
1.308 nicm 2589: if (changed & GRID_ATTR_ALL_UNDERSCORE) {
2590: if ((changed & GRID_ATTR_UNDERSCORE) ||
2591: !tty_term_has(tty->term, TTYC_SMULX))
2592: tty_putcode(tty, TTYC_SMUL);
2593: else if (changed & GRID_ATTR_UNDERSCORE_2)
2594: tty_putcode1(tty, TTYC_SMULX, 2);
2595: else if (changed & GRID_ATTR_UNDERSCORE_3)
2596: tty_putcode1(tty, TTYC_SMULX, 3);
2597: else if (changed & GRID_ATTR_UNDERSCORE_4)
2598: tty_putcode1(tty, TTYC_SMULX, 4);
2599: else if (changed & GRID_ATTR_UNDERSCORE_5)
2600: tty_putcode1(tty, TTYC_SMULX, 5);
2601: }
1.1 nicm 2602: if (changed & GRID_ATTR_BLINK)
2603: tty_putcode(tty, TTYC_BLINK);
2604: if (changed & GRID_ATTR_REVERSE) {
2605: if (tty_term_has(tty->term, TTYC_REV))
2606: tty_putcode(tty, TTYC_REV);
2607: else if (tty_term_has(tty->term, TTYC_SMSO))
2608: tty_putcode(tty, TTYC_SMSO);
2609: }
2610: if (changed & GRID_ATTR_HIDDEN)
2611: tty_putcode(tty, TTYC_INVIS);
1.255 nicm 2612: if (changed & GRID_ATTR_STRIKETHROUGH)
2613: tty_putcode(tty, TTYC_SMXX);
1.324 nicm 2614: if (changed & GRID_ATTR_OVERLINE)
2615: tty_putcode(tty, TTYC_SMOL);
1.285 nicm 2616: if ((changed & GRID_ATTR_CHARSET) && tty_acs_needed(tty))
1.1 nicm 2617: tty_putcode(tty, TTYC_SMACS);
1.373 nicm 2618:
1.421 nicm 2619: /* Set hyperlink if any. */
2620: tty_hyperlink(tty, gc, hl);
2621:
1.373 nicm 2622: memcpy(&tty->last_cell, &gc2, sizeof tty->last_cell);
1.1 nicm 2623: }
2624:
1.207 nicm 2625: static void
1.85 nicm 2626: tty_colours(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2627: {
1.61 nicm 2628: struct grid_cell *tc = &tty->cell;
1.204 nicm 2629: int have_ax;
1.61 nicm 2630:
2631: /* No changes? Nothing is necessary. */
1.328 nicm 2632: if (gc->fg == tc->fg && gc->bg == tc->bg && gc->us == tc->us)
1.63 nicm 2633: return;
1.1 nicm 2634:
1.61 nicm 2635: /*
2636: * Is either the default colour? This is handled specially because the
2637: * best solution might be to reset both colours to default, in which
2638: * case if only one is default need to fall onward to set the other
2639: * colour.
2640: */
1.310 nicm 2641: if (COLOUR_DEFAULT(gc->fg) || COLOUR_DEFAULT(gc->bg)) {
1.61 nicm 2642: /*
2643: * If don't have AX but do have op, send sgr0 (op can't
2644: * actually be used because it is sometimes the same as sgr0
2645: * and sometimes isn't). This resets both colours to default.
2646: *
2647: * Otherwise, try to set the default colour only as needed.
2648: */
1.174 nicm 2649: have_ax = tty_term_flag(tty->term, TTYC_AX);
1.61 nicm 2650: if (!have_ax && tty_term_has(tty->term, TTYC_OP))
2651: tty_reset(tty);
2652: else {
1.310 nicm 2653: if (COLOUR_DEFAULT(gc->fg) && !COLOUR_DEFAULT(tc->fg)) {
1.61 nicm 2654: if (have_ax)
2655: tty_puts(tty, "\033[39m");
1.204 nicm 2656: else if (tc->fg != 7)
1.61 nicm 2657: tty_putcode1(tty, TTYC_SETAF, 7);
1.310 nicm 2658: tc->fg = gc->fg;
1.61 nicm 2659: }
1.310 nicm 2660: if (COLOUR_DEFAULT(gc->bg) && !COLOUR_DEFAULT(tc->bg)) {
1.77 nicm 2661: if (have_ax)
1.61 nicm 2662: tty_puts(tty, "\033[49m");
1.204 nicm 2663: else if (tc->bg != 0)
1.61 nicm 2664: tty_putcode1(tty, TTYC_SETAB, 0);
1.312 nicm 2665: tc->bg = gc->bg;
1.61 nicm 2666: }
2667: }
2668: }
1.1 nicm 2669:
1.61 nicm 2670: /* Set the foreground colour. */
1.310 nicm 2671: if (!COLOUR_DEFAULT(gc->fg) && gc->fg != tc->fg)
1.85 nicm 2672: tty_colours_fg(tty, gc);
1.1 nicm 2673:
1.61 nicm 2674: /*
2675: * Set the background colour. This must come after the foreground as
2676: * tty_colour_fg() can call tty_reset().
2677: */
1.310 nicm 2678: if (!COLOUR_DEFAULT(gc->bg) && gc->bg != tc->bg)
1.73 nicm 2679: tty_colours_bg(tty, gc);
1.328 nicm 2680:
1.399 nicm 2681: /* Set the underscore colour. */
1.328 nicm 2682: if (gc->us != tc->us)
2683: tty_colours_us(tty, gc);
1.1 nicm 2684: }
2685:
1.219 nicm 2686: static void
1.399 nicm 2687: tty_check_fg(struct tty *tty, struct colour_palette *palette,
2688: struct grid_cell *gc)
1.85 nicm 2689: {
1.204 nicm 2690: u_char r, g, b;
2691: u_int colours;
1.223 nicm 2692: int c;
1.85 nicm 2693:
1.288 nicm 2694: /*
2695: * Perform substitution if this pane has a palette. If the bright
1.424 nicm 2696: * attribute is set and Nobr is not present, use the bright entry in
2697: * the palette by changing to the aixterm colour
1.288 nicm 2698: */
2699: if (~gc->flags & GRID_FLAG_NOPALETTE) {
2700: c = gc->fg;
1.424 nicm 2701: if (c < 8 &&
2702: gc->attr & GRID_ATTR_BRIGHT &&
2703: !tty_term_has(tty->term, TTYC_NOBR))
1.288 nicm 2704: c += 90;
1.399 nicm 2705: if ((c = colour_palette_get(palette, c)) != -1)
1.288 nicm 2706: gc->fg = c;
2707: }
1.219 nicm 2708:
1.199 nicm 2709: /* Is this a 24-bit colour? */
1.204 nicm 2710: if (gc->fg & COLOUR_FLAG_RGB) {
1.199 nicm 2711: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.359 nicm 2712: if (tty->term->flags & TERM_RGBCOLOURS)
1.200 nicm 2713: return;
1.341 nicm 2714: colour_split_rgb(gc->fg, &r, &g, &b);
2715: gc->fg = colour_find_rgb(r, g, b);
1.199 nicm 2716: }
1.224 nicm 2717:
2718: /* How many colours does this terminal have? */
1.359 nicm 2719: if (tty->term->flags & TERM_256COLOURS)
1.224 nicm 2720: colours = 256;
2721: else
2722: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2723:
1.85 nicm 2724: /* Is this a 256-colour colour? */
1.204 nicm 2725: if (gc->fg & COLOUR_FLAG_256) {
1.85 nicm 2726: /* And not a 256 colour mode? */
1.387 nicm 2727: if (colours < 256) {
1.85 nicm 2728: gc->fg = colour_256to16(gc->fg);
2729: if (gc->fg & 8) {
2730: gc->fg &= 7;
1.175 nicm 2731: if (colours >= 16)
2732: gc->fg += 90;
1.332 nicm 2733: }
1.85 nicm 2734: }
2735: return;
2736: }
2737:
2738: /* Is this an aixterm colour? */
2739: if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
2740: gc->fg -= 90;
2741: gc->attr |= GRID_ATTR_BRIGHT;
2742: }
2743: }
2744:
1.219 nicm 2745: static void
1.399 nicm 2746: tty_check_bg(struct tty *tty, struct colour_palette *palette,
2747: struct grid_cell *gc)
1.85 nicm 2748: {
1.204 nicm 2749: u_char r, g, b;
2750: u_int colours;
1.223 nicm 2751: int c;
1.85 nicm 2752:
1.288 nicm 2753: /* Perform substitution if this pane has a palette. */
2754: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1.399 nicm 2755: if ((c = colour_palette_get(palette, gc->bg)) != -1)
1.288 nicm 2756: gc->bg = c;
2757: }
1.219 nicm 2758:
1.199 nicm 2759: /* Is this a 24-bit colour? */
1.204 nicm 2760: if (gc->bg & COLOUR_FLAG_RGB) {
1.199 nicm 2761: /* Not a 24-bit terminal? Translate to 256-colour palette. */
1.359 nicm 2762: if (tty->term->flags & TERM_RGBCOLOURS)
1.200 nicm 2763: return;
1.341 nicm 2764: colour_split_rgb(gc->bg, &r, &g, &b);
2765: gc->bg = colour_find_rgb(r, g, b);
1.199 nicm 2766: }
1.224 nicm 2767:
2768: /* How many colours does this terminal have? */
1.359 nicm 2769: if (tty->term->flags & TERM_256COLOURS)
1.224 nicm 2770: colours = 256;
2771: else
2772: colours = tty_term_number(tty->term, TTYC_COLORS);
1.175 nicm 2773:
1.85 nicm 2774: /* Is this a 256-colour colour? */
1.204 nicm 2775: if (gc->bg & COLOUR_FLAG_256) {
1.85 nicm 2776: /*
2777: * And not a 256 colour mode? Translate to 16-colour
2778: * palette. Bold background doesn't exist portably, so just
2779: * discard the bold bit if set.
2780: */
1.387 nicm 2781: if (colours < 256) {
1.85 nicm 2782: gc->bg = colour_256to16(gc->bg);
1.175 nicm 2783: if (gc->bg & 8) {
1.85 nicm 2784: gc->bg &= 7;
1.175 nicm 2785: if (colours >= 16)
1.322 nicm 2786: gc->bg += 90;
1.175 nicm 2787: }
1.85 nicm 2788: }
2789: return;
2790: }
2791:
2792: /* Is this an aixterm colour? */
1.175 nicm 2793: if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
1.85 nicm 2794: gc->bg -= 90;
2795: }
2796:
1.207 nicm 2797: static void
1.399 nicm 2798: tty_check_us(__unused struct tty *tty, struct colour_palette *palette,
2799: struct grid_cell *gc)
1.328 nicm 2800: {
2801: int c;
2802:
2803: /* Perform substitution if this pane has a palette. */
2804: if (~gc->flags & GRID_FLAG_NOPALETTE) {
1.399 nicm 2805: if ((c = colour_palette_get(palette, gc->us)) != -1)
1.328 nicm 2806: gc->us = c;
2807: }
2808:
2809: /* Underscore colour is set as RGB so convert a 256 colour to RGB. */
2810: if (gc->us & COLOUR_FLAG_256)
2811: gc->us = colour_256toRGB (gc->us);
2812: }
2813:
2814: static void
1.85 nicm 2815: tty_colours_fg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2816: {
1.61 nicm 2817: struct grid_cell *tc = &tty->cell;
1.79 nicm 2818: char s[32];
1.1 nicm 2819:
1.204 nicm 2820: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2821: if (gc->fg & COLOUR_FLAG_RGB || gc->fg & COLOUR_FLAG_256) {
1.204 nicm 2822: if (tty_try_colour(tty, gc->fg, "38") == 0)
1.385 nicm 2823: goto save;
1.199 nicm 2824: /* Should not get here, already converted in tty_check_fg. */
1.85 nicm 2825: return;
1.1 nicm 2826: }
2827:
1.79 nicm 2828: /* Is this an aixterm bright colour? */
1.204 nicm 2829: if (gc->fg >= 90 && gc->fg <= 97) {
1.359 nicm 2830: if (tty->term->flags & TERM_256COLOURS) {
1.323 nicm 2831: xsnprintf(s, sizeof s, "\033[%dm", gc->fg);
2832: tty_puts(tty, s);
2833: } else
2834: tty_putcode1(tty, TTYC_SETAF, gc->fg - 90 + 8);
1.385 nicm 2835: goto save;
1.79 nicm 2836: }
2837:
1.61 nicm 2838: /* Otherwise set the foreground colour. */
1.204 nicm 2839: tty_putcode1(tty, TTYC_SETAF, gc->fg);
1.61 nicm 2840:
1.385 nicm 2841: save:
1.61 nicm 2842: /* Save the new values in the terminal current cell. */
1.204 nicm 2843: tc->fg = gc->fg;
1.1 nicm 2844: }
2845:
1.207 nicm 2846: static void
1.73 nicm 2847: tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
1.1 nicm 2848: {
1.61 nicm 2849: struct grid_cell *tc = &tty->cell;
1.79 nicm 2850: char s[32];
1.1 nicm 2851:
1.204 nicm 2852: /* Is this a 24-bit or 256-colour colour? */
1.302 nicm 2853: if (gc->bg & COLOUR_FLAG_RGB || gc->bg & COLOUR_FLAG_256) {
1.204 nicm 2854: if (tty_try_colour(tty, gc->bg, "48") == 0)
1.385 nicm 2855: goto save;
1.199 nicm 2856: /* Should not get here, already converted in tty_check_bg. */
1.85 nicm 2857: return;
1.79 nicm 2858: }
2859:
2860: /* Is this an aixterm bright colour? */
1.204 nicm 2861: if (gc->bg >= 90 && gc->bg <= 97) {
1.359 nicm 2862: if (tty->term->flags & TERM_256COLOURS) {
1.323 nicm 2863: xsnprintf(s, sizeof s, "\033[%dm", gc->bg + 10);
2864: tty_puts(tty, s);
2865: } else
2866: tty_putcode1(tty, TTYC_SETAB, gc->bg - 90 + 8);
1.385 nicm 2867: goto save;
1.1 nicm 2868: }
2869:
1.61 nicm 2870: /* Otherwise set the background colour. */
1.204 nicm 2871: tty_putcode1(tty, TTYC_SETAB, gc->bg);
1.61 nicm 2872:
1.385 nicm 2873: save:
1.61 nicm 2874: /* Save the new values in the terminal current cell. */
1.204 nicm 2875: tc->bg = gc->bg;
1.328 nicm 2876: }
2877:
2878: static void
2879: tty_colours_us(struct tty *tty, const struct grid_cell *gc)
2880: {
2881: struct grid_cell *tc = &tty->cell;
2882: u_int c;
2883: u_char r, g, b;
2884:
1.385 nicm 2885: /* Clear underline colour. */
2886: if (gc->us == 0) {
2887: tty_putcode(tty, TTYC_OL);
2888: goto save;
2889: }
2890:
1.328 nicm 2891: /* Must be an RGB colour - this should never happen. */
2892: if (~gc->us & COLOUR_FLAG_RGB)
2893: return;
2894:
2895: /*
1.385 nicm 2896: * Setulc and setal follows the ncurses(3) one argument "direct colour"
1.328 nicm 2897: * capability format. Calculate the colour value.
2898: */
2899: colour_split_rgb(gc->us, &r, &g, &b);
2900: c = (65536 * r) + (256 * g) + b;
2901:
1.385 nicm 2902: /*
2903: * Write the colour. Only use setal if the RGB flag is set because the
2904: * non-RGB version may be wrong.
2905: */
2906: if (tty_term_has(tty->term, TTYC_SETULC))
2907: tty_putcode1(tty, TTYC_SETULC, c);
2908: else if (tty_term_has(tty->term, TTYC_SETAL) &&
2909: tty_term_has(tty->term, TTYC_RGB))
2910: tty_putcode1(tty, TTYC_SETAL, c);
1.328 nicm 2911:
1.385 nicm 2912: save:
1.328 nicm 2913: /* Save the new values in the terminal current cell. */
2914: tc->us = gc->us;
1.61 nicm 2915: }
2916:
1.207 nicm 2917: static int
1.204 nicm 2918: tty_try_colour(struct tty *tty, int colour, const char *type)
1.61 nicm 2919: {
1.204 nicm 2920: u_char r, g, b;
1.61 nicm 2921:
1.204 nicm 2922: if (colour & COLOUR_FLAG_256) {
1.359 nicm 2923: if (*type == '3' && tty_term_has(tty->term, TTYC_SETAF))
2924: tty_putcode1(tty, TTYC_SETAF, colour & 0xff);
2925: else if (tty_term_has(tty->term, TTYC_SETAB))
2926: tty_putcode1(tty, TTYC_SETAB, colour & 0xff);
2927: return (0);
1.204 nicm 2928: }
2929:
2930: if (colour & COLOUR_FLAG_RGB) {
1.341 nicm 2931: colour_split_rgb(colour & 0xffffff, &r, &g, &b);
1.359 nicm 2932: if (*type == '3' && tty_term_has(tty->term, TTYC_SETRGBF))
1.286 nicm 2933: tty_putcode3(tty, TTYC_SETRGBF, r, g, b);
1.359 nicm 2934: else if (tty_term_has(tty->term, TTYC_SETRGBB))
1.286 nicm 2935: tty_putcode3(tty, TTYC_SETRGBB, r, g, b);
1.165 nicm 2936: return (0);
2937: }
1.61 nicm 2938:
1.165 nicm 2939: return (-1);
1.176 nicm 2940: }
2941:
1.207 nicm 2942: static void
1.371 nicm 2943: tty_window_default_style(struct grid_cell *gc, struct window_pane *wp)
2944: {
2945: memcpy(gc, &grid_default_cell, sizeof *gc);
1.399 nicm 2946: gc->fg = wp->palette.fg;
2947: gc->bg = wp->palette.bg;
1.371 nicm 2948: }
2949:
1.373 nicm 2950: void
1.317 nicm 2951: tty_default_colours(struct grid_cell *gc, struct window_pane *wp)
1.176 nicm 2952: {
1.400 nicm 2953: struct options *oo = wp->options;
2954: struct format_tree *ft;
1.373 nicm 2955:
2956: memcpy(gc, &grid_default_cell, sizeof *gc);
1.326 nicm 2957:
2958: if (wp->flags & PANE_STYLECHANGED) {
1.400 nicm 2959: log_debug("%%%u: style changed", wp->id);
1.326 nicm 2960: wp->flags &= ~PANE_STYLECHANGED;
1.371 nicm 2961:
1.400 nicm 2962: ft = format_create(NULL, NULL, FORMAT_PANE|wp->id,
2963: FORMAT_NOJOBS);
2964: format_defaults(ft, NULL, NULL, NULL, wp);
1.371 nicm 2965: tty_window_default_style(&wp->cached_active_gc, wp);
1.400 nicm 2966: style_add(&wp->cached_active_gc, oo, "window-active-style", ft);
1.371 nicm 2967: tty_window_default_style(&wp->cached_gc, wp);
1.400 nicm 2968: style_add(&wp->cached_gc, oo, "window-style", ft);
2969: format_free(ft);
1.203 nicm 2970: }
1.176 nicm 2971:
1.204 nicm 2972: if (gc->fg == 8) {
1.370 nicm 2973: if (wp == wp->window->active && wp->cached_active_gc.fg != 8)
2974: gc->fg = wp->cached_active_gc.fg;
1.204 nicm 2975: else
1.370 nicm 2976: gc->fg = wp->cached_gc.fg;
1.176 nicm 2977: }
2978:
1.204 nicm 2979: if (gc->bg == 8) {
1.370 nicm 2980: if (wp == wp->window->active && wp->cached_active_gc.bg != 8)
2981: gc->bg = wp->cached_active_gc.bg;
1.204 nicm 2982: else
1.370 nicm 2983: gc->bg = wp->cached_gc.bg;
1.176 nicm 2984: }
1.210 nicm 2985: }
2986:
2987: static void
1.373 nicm 2988: tty_default_attributes(struct tty *tty, const struct grid_cell *defaults,
1.421 nicm 2989: struct colour_palette *palette, u_int bg, struct hyperlinks *hl)
1.210 nicm 2990: {
1.373 nicm 2991: struct grid_cell gc;
1.210 nicm 2992:
2993: memcpy(&gc, &grid_default_cell, sizeof gc);
2994: gc.bg = bg;
1.421 nicm 2995: tty_attributes(tty, &gc, defaults, palette, hl);
1.1 nicm 2996: }
1.416 nicm 2997:
2998: static void
1.417 nicm 2999: tty_clipboard_query_callback(__unused int fd, __unused short events, void *data)
1.416 nicm 3000: {
3001: struct tty *tty = data;
1.417 nicm 3002: struct client *c = tty->client;
3003:
3004: c->flags &= ~CLIENT_CLIPBOARDBUFFER;
3005: free(c->clipboard_panes);
3006: c->clipboard_panes = NULL;
3007: c->clipboard_npanes = 0;
1.416 nicm 3008:
3009: tty->flags &= ~TTY_OSC52QUERY;
3010: }
3011:
3012: void
1.417 nicm 3013: tty_clipboard_query(struct tty *tty)
1.416 nicm 3014: {
3015: struct timeval tv = { .tv_sec = TTY_QUERY_TIMEOUT };
3016:
3017: if ((~tty->flags & TTY_STARTED) || (tty->flags & TTY_OSC52QUERY))
3018: return;
3019: tty_putcode_ptr2(tty, TTYC_MS, "", "?");
1.417 nicm 3020:
1.416 nicm 3021: tty->flags |= TTY_OSC52QUERY;
1.417 nicm 3022: evtimer_set(&tty->clipboard_timer, tty_clipboard_query_callback, tty);
3023: evtimer_add(&tty->clipboard_timer, &tv);
1.416 nicm 3024: }
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